Category Archives: foundation repair berkeley

foundation repair berkeley, tight access drilling

Need tight access drilling in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been doing tight access and track drilling, repairing foundation cracks, and doing excavation in Berkeley for over 24 years. You will see our trucks and equipment working on homes in Berkeley, the Berkeley Hills, and Kensington neighborhoods.

Call us for a prompt detailed estimate like the one below to correct foundation problems, fix drainage issues, perform structural work, and repair driveways and walls in the Berkeley area:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

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Bowed, Cracked, Sinking Wall Repair, foundation repair berkeley

Bowed, Cracked, Sinking Wall Repair? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been stabilizing walls and doing earth retention projects, as well as repairing foundation cracks, doing excavation, and drilling work in Berkeley for over 24 years. You will see our trucks and equipment working on homes in Berkeley, the Berkeley Hills, and Kensington neighborhoods.

Call us for a prompt detailed estimate like the one below to correct wall and foundation problems, fix drainage issues, perform structural work, and repair driveways in the Berkeley area:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

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foundation repair berkeley, Piers

Need piers under your home or deck in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been installing piers in Berkeley for over 24 years. You will see our trucks and equipment working in Berkeley, Berkeley Hills, and Kensington.

Here’s the kind of detailed estimate you can rely on, to correct foundation problems and perform structural work, including even zero lot line jobs that require our expertise:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

drainage waterproofing, foundation repair berkeley

Need drainage or waterproofing done in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been doing waterproofing and fixing drainage problems to create dry crawl spaces and dry foundations in Berkeley for over 24 years. You will see our trucks and equipment working in Berkeley, Berkeley Hills, and Kensington.

Get a detailed estimate like the one below to correct drainage problems and install waterproofing to dry out the area under your home.

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

drainage repair, foundation repair berkeley

Need drainage repair to get moisture out from under your home or near your home’s foundation? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been fixing drainage problems to create dry crawl spaces and dry foundations in Berkeley for over 24 years. You will see our trucks and equipment working on homes in Berkeley, the Berkeley Hills, and Kensington neighborhoods.

Here’s the kind of detailed estimate you can rely on, to correct drainage and resulting foundation problems and perform structural work:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

foundation repair berkeley, underpinning

Foundation Sinking, Cracking or Settling?? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been repairing foundation cracks, doing excavation, and drilling work in Berkeley for over 24 years. You will see our trucks and equipment working on homes in Berkeley, the Berkeley Hills, and Kensington neighborhoods.

Call us for a prompt detailed estimate like the one below to correct foundation problems, fix drainage issues, perform structural work, and repair driveways and walls in the Berkeley area:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

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foundation repair berkeley, tiebacks

Need tiebacks to hold a wall in place in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been installing tiebacks in Berkeley for over 24 years. You will see our trucks and equipment working in Berkeley, Berkeley Hills, and Kensington.

Call us today for a detailed expert estimate you can rely on, like the one below:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

cracked concrete, foundation repair berkeley

Noticing cracked concrete around your home or driveway in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been repairing cracked concrete and fixing driveways in Berkeley for over 24 years. You will see our trucks and equipment working in Berkeley, Berkeley Hills, and Kensington neighborhoods.

Get a detailed estimate like the one below, to fix cracked concrete, correct foundation problems and perform structural work to permanently stabilize your home.

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

foundation repair berkeley, retaining wall problems

Retaining Wall Problems? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been building and reparing retaining walls in Berkeley for over 24 years. You will see our trucks and equipment working on homes in Berkeley, the Berkeley Hills, and Kensington neighborhoods.

Call us for a prompt detailed estimate like the one below to solve retaining wall problems, correct foundation problems, fix drainage issues, perform structural work, and repair driveways in the Berkeley area:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →

foundation repair berkeley, underpinning

Need underpinning to permanently stabilize home or level floors in Berkeley? Call 415-457-5658 for a prompt, reliable estimate from our experienced estimator. RWR has been installing underpinning in Berkeley for over 24 years. You will see our trucks and equipment working in Berkeley, Berkeley Hills, and Kensington.

Here’s the kind of detailed estimate you can rely on, to correct foundation problems and perform structural work, including even zero lot line jobs that require our expertise:

This is an estimate based on plans. The scope of work includes clean up of slide debris, installing wood lagged soldier pier retaining wall, Diversion Barrier Wall, installation of temporary drain pipe, erosion control items per plans and Visqueen covering. The price includes all labor and material to complete the work as per the itemized scope of work below.

Scope of Work

Mobilization and Layout
• Mobilize to jobsite with necessary equipment to complete job (See notes below).
• Layout to be completed per plans and specifications with engineer approval.
• Any additional survey costs are not included
• Daily Cleanup
• Final Cleanup
Slide Debris
• Remove all loose modular blocks, concrete with patio stone, trees, brush and other identified debris from slide area and grade as necessary to prevent ponding.
• Access will occur from 10 Tara View back patio to driveway. Much of existing patio will be demolished to make ramp access. Oak tree in patio to be removed.
• Existing wall to remain. Modular walls not loose to remain.
• No off haul of earth spoils

Wood Lagged Soldier Pier Retaining Wall

Drill
• Drill sixteen (16) 18” diameter x 10 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 18 a maximum of 16 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 10 ft. per wall schedule with 6 ft pier spacing. Price to be adjusted for change in assumption.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.

Drainage
• Install a drain rock pocket behind wall approximately 1 ft back from wall and cap with a 1 ft native soil cap.
• Pocket includes 4” perforated SDR 35 pipe.
• Connect to temporary drain lines to be installed.
• Backfill voids behind wall with native soils. Additional cost for any import required.
Diversion Barrier Wall

Drill
• Drill eleven (11) 18” diameter x 16 ft maximum depth pier holes using small excavator. Final Depth to be determined by soils engineer. Additional cost per ft plus cost of I beam. Standard drilling conditions.
• No off haul of drill spoils.

Steel I Beams
• Install steel I beam post W8 x 21 a maximum of 22 ft in length per plans and specifications (See notes below)
• I beams to be coated with two coats of metal primer and one coat of flat back exterior over exposed portions of beam per plans.
• Place concrete in pier hole per plans and specifications (See table).
Note: Estimate assumes wall height maximum of 6 ft and depth of pier hole at 16 ft. per wall schedule with 6 ft pier spacing.

Wood Lagging
• Install wood lagging with 4 x 12 pressure treated wood lagging per plans and specifications to a maximum height of 6 ft. Cut ends to be treated with preservative treatment.
Erosion Control and Drainage
• Install fiber roll and silt fence per plans and specifications.
• Cover entire slide area with 6 mil visqueen plastic per plans and specifications.
• Anchor visqueen with anchored sand bags
• Install temporary drain lines using 4 inch, 6 inch and 8 inch flexible lines connecting all up slope drainage as directed by engineer.
• At bottom of slide area install a dissipater per plans and specifications. All temporary drainage to be connected to dissipater.

Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to adequate supply of wood, steel, rock, concrete, and asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Survey of property lines must be done by licensed surveyor. Survey points must be provided.
• Price assumes site is dry and work can be performed in normal fashion. Due to time of year there may be additional costs if site becomes wet.
• Deposit with progress payments every two weeks. No retention.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Any additional work due to utilities including buried pipes or irrigation pipes unless noted.
• Increased costs of excavation or drilling due to hard rock, caving or underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes).
• Replacement of damaged landscaping, driveway or fence. (Driveway will have much activity and shows extensive damage – No allowance has been made for driveway repair).
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Any work related to landscaping, fences or gates except as outlined
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing
• Off haul of slide spoils

 

Read More →