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 estimate is based on drawings. The scope of work includes excavation for grade beam, drilling, concrete piers and installing concrete wall. 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 portable drilling rigs and other necessary equipment to complete job (See notes below).
• Daily Cleanup
• Final Cleanup

Piers
• Drill twelve (12) 18” diameter x 10 ft maximum pier holes as shown on plans and specifications S1. See drilling conditions. Final depths to be determined by soils engineer.
• Install twelve (12) steel cages x 10 ft and place concrete in holes per plans and specifications S2.
• No Off haul of pier spoils.

Concrete Wall and Grade Beam
• Excavate for new concrete grade beam per plans and specifications S1.
• No Off haul of spoils from site
• Install 410 sq. ft of new pour in place concrete reinforced retaining wall per plans and specifications S1.
Drainage and Demo
• Demo existing wood wall and off haul debris from site.
• Install 4” SDR 35 perforated drain pipe behind new wall per plans and specifications. Note: no final exit for drainage provided.
• Backfill behind wall approximately 1 ft back ¾ drain rock approximately 1 to 2 ft from top of new wall.
• Final backfill to be completed by others.
• Note: final drainage exit to be completed by others
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.
• Progress payments every two weeks. No retention.
• General Contractor to arrange for all encroachment permits to permit pour from street. Price includes cost for traffic control for a maximum of three pours.
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.
• 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
• Demo of concrete in excess of 12 inches.
• Electrical or plumbing
• Off haul of spoils
• Importation of fill except for drain rock

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 estimate is based on architectural drawings and structural drawing. The bid is for the installation of new reinforced concrete elevator pad/footing + walls as per plans.

Our price includes all labor and material to complete the work as per the itemized Scope of Work below.

Scope of Work
Base Bid – Pier Installation + Concrete Work
Scope of Work
• Mobilize to job site. Supervision.
• Excavate for the installation of new elevator foundation as per plans. Off-hauling of drilling spoils from site by GC.
• Drill and install (2) 18” diameter x 22 ft. deep maximum reinforced concrete piers as per plans. Off-hauling of drilling spoils from site by GC.
• Install new elevator reinforced concrete foundations as per plans. Includes Paraseal and Miradrain 6000 drainage panels as shown on drawings. Terminate sub-surface drainage line at lower corner of new elevator pad. Final outlet of new sub-surface drainage by GC.
Alternate #1-Drilling operations only
• Drilling operations only (16 hrs. maximum + mobilization included). Spoils handled by GC as well as removal of spoils from site. Quote includes (2) man drilling crew only.

Notes
• Elevations, secured batter boards and surveying to be provided by General Contractor performing the remainder of the project.
Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Includes one mobilization only.
• Prices are subject to adequate supply of rock, concrete, 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.
• Progress payments every two weeks.

Note: This bid assumes contractor will be performing services as a Sub-contractor to a General Contractor. Bid assumes contract will utilize standard contractual provisions. It reserves the right to accept or reject General Contractor’s contractual provisions.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• 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).
• Earth shoring or structural shoring.
• Off-hauling of spoils from site.
• Soft or hard demolition.
• Any work on utilities including buried pipes.
• Drainage or waterproofing work not mentioned in our scope of work.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Removal of trees or stumps from site.
• Architectural concrete, color concrete or any type of special concrete finish product.
• Supply of embedments other than foundation “J” bolts.

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 estimate is based on architectural drawings and structural drawings and Architectural Engineering. This bid is for performing selective hard demolition, excavation and installation of new house addition reinforced concrete foundation work. Our price includes all labor and material to complete the work as per the itemized Scope of Work below.

Scope of Work
Foundation Work
Excavation
• Excavate for the installation of the new house foundation as per plans. All excavated spoils to stay on site and to be re-compacted at the existing rear yard (see additional cost provided for this task below). This price does not include any off-hauling charges for the excavation related generated spoils and the price is contingent upon the acceptance of the re-compaction portion of our proposal due to the construction sequence necessary to perform both jobs at the same time. All drainage work and other future trenching work (to be performed by others) at the rear yard area must be completed (by others) prior to commencing of operations if drainage contractor wishes to minimize his excavations scope of work.
Concrete/Hard Demolition
• Perform existing slab and selective house foundation demolition for the installation of the new foundation addition. Off-haul demolition debris from site.
Demolition exclusions: Driveway demolition, permits, retention, hazardous materials abatement, utility safe-offs, grading and backfilling (see additional cost provided).
Structural Shoring
• Install combination of post, driven pipe pile and crib towers with temporary beams to support main floor of house from line D thru E. Remove shoring system after house is re-supported on new perimeter and interior foundations (by others).
Shoring exclusions: Soft demolition or any shoring preparation other than removal of existing concrete slab (see cost provided above) for the installation of shoring towers (all preparation work to be provided by general contractor except as noted above.

New Concrete Foundation Installation per S.2
• Mobilize to jobsite. Demobilize.
• Supervision.
• Perform weekly cleanup.
• For the new house foundation, install new concrete foundation as per structural details and layout on sheet S.2.
• Install a new 4” thick reinforced concrete slab on grade over 15 mil Stego-Wrap vapor barrier and 6” of ¾” crushed gravel as per plans. Includes (2) under-slab drains below the slab per C1 & C2. Final outlet by others.
• Clean up debris and form materials from site.

Re-grading and Re-compaction of Rear Yard Area
• Scarify rear yard/patio area and remove (approx 2 to 3 inches) the existing grass on the existing rear yard area. Off-haul debris from site.
• Install all excavated spoils in 8” compacted lifts at the rear yard with the intention to level off the area as much as is possible per owners request. All native soils generated from construction excavations to be left on site re-compacted at the rear yard. No import-No off-haul is included.
Repairs @ Existing Foundations
• Saw-cut, remove and replace (5) sections of the existing house concrete foundation approx 6 ft in length x 2 ft tall x 12” thick. Includes saw-cutting both sides of the existing foundation, demolishing the mentioned sections and off-hauling of the demolition debris from site, excavate as needed to install new foundations based on parameters mentioned above (no structural instructions are available at the moment) and replace with new standard reinforced concrete grade beam tied to both sides via epoxy dowels (4 on each side). Existing mud sill plates to stay in place, no carpentry work is included in this price. It includes the installation of (2) new “J” bolts to attach the existing plates to the new grade beams (standard). Additional carpentry work to be charged separately if needed.

Notes:
• Elevations and layout to be provided by General Contractor or surveyor (hired by homeowner) performing the remainder of the project.
• All existing utility lines, heating ducts, electrical wiring, etc. must be removed from the underside of the basement level joists, (by others) prior to the installation of the shoring towers and the commencing of the demolition.
• All soft demolition to be provided by General Contractor.
• Access to rear yard thru existing driveway and side gate (wooden gate to be removed as well as driveway wooden structure for trucking access to the area in front of the (E) garage.
Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Includes one mobilization only.
• Prices are subject to adequate supply of rock, concrete, 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.
• Progress payments every two weeks.
• Itemized prices are for reference purposes only and are not self supporting.
Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• 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).
• Drainage or waterproofing work other than mentioned above.
• Excavations over the minimum parameter provided on drawings.
• Demolition of existing slabs over 4” thick or existing foundations over 12” deep.
• Driveway demolition or any other type of demolition not mentioned in our scope of work.
• Additional cost due to utility obstructions including any additional work on utilities or buried pipes.
• Landscaping work or any additional retaining walls, walkways, patios, tie steps or other concrete work not mentioned in our scope of work.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Architectural concrete or type of special concrete finish product.
• Supply of embedments other than foundation “J” bolts.

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 estimate is based on structural drawings The bid is for the installation of a new reinforced concrete house foundation as per plans. This price includes labor and materials to complete job as per the itemized scope of work listed below.

Scope of Work
Structural Sheet S2.1
• Mobilize to site, on site supervision.
• Demolish and remove from site the existing sections of house foundation as highlighted on the drawings.
• Install combination of post, driven pipe pile and crib towers with temporary beams to support main floor of house and raise existing first floor of the house to new elevation.
• Excavate for and install new reinforced concrete grade beam foundations as per layout and structural details on sheet S2.1.
• Includes drilling and installing approx. (270) epoxy dowels to tie new slab/footing to perimeter existing foundations as per plans. (Other dowels not related to concrete embedments are not included in this bid)
• Remove shoring system after house is re-supported on new walls (4 weeks maximum after foundation is poured).

Notes:
• Elevations and layout to be provided supervised and approved by General Contractor or person acting as project supervisor.

Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise.
• Includes one mobilization only.
• Prices are subject to adequate supply of rock, concrete, 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.
• Progress payments every two weeks.

Exclusions
• Cost of plans, permits, bonds, inspections and testing.
• Any work on utilities including buried pipes.
• Increased cost of excavation due to hard rock, underground water or caving soils. (Hard rock excavation is defined as material that cannot be excavated with a conventional backhoe or excavator bucket).
• Soft demolition.
• Off-hauling of any demolition debris other than mentioned above.
• Hardware, hold-down bolts or any other embedment’s other than foundation bolts.
• Repair to landscaping or irrigation.
• Drainage or waterproofing.
• Cost of surveying if needed.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.

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:

Mobilization and Layout

• Mobilize to jobsite.
• Layout site per plans
• Daily Cleanup
• Final Cleanup

Install Funicular
• Install Funicular to assist in repair of hillside
• Install temporary car on funicular (Price does not include final car for funicular after construction work is completed).

Clearing and Grubbing
• Install erosion control measures per ILS Associates plans.
• Include debris catchment walls to be placed below work areas as work progresses
• Filter fabric to cover beach area during construction (All debris is to be cleaned at end of each day).
• Remove loose soil to accommodate installation of the soil nail wall. The excavated face shall be cleaned of loose materials. Keep this to minimum.
• Remove the material from the site and off haul.

Existing Parking Deck
• Reinforce existing parking structure as required.
• Includes removal and reinstallation of concrete pad at end of construction

Landing #1 and Landing #2
• Drill and install four (4) 18” concrete reinforced piers to support two (2) new landings per plans and specifications.
• Install perimeter footing and retaining wall for each landing.
• Install Rip Rap in front and side of lower landing as directed by engineer.

Barge Staging
• Stage bay barges at bottom of cliff to assist in construction project

Tiebacks
• Drill eighty one (81) 8” diameter hole x the designated depth per plans and specifications. (Final Depth subject to soil engineer approval)
• Install eighty one (81) 1 inch double corrosion tiebacks with bonded length and non bonded length per plans and specifications (see table).
• Place and install grout using standard grout mix
• Tieback is to extend at least 2 ft from face of hole (to be cut later)
• Install 1-1/4” thick by 8” x 8” plates, beveled washer and nuts.
• Test and pull each tieback per plans and specifications locking tieback off after initial matt of Shotcrete has been placed.

Excavate
• Excavate hillside to allow for installation of top edge, side edge and bottom edge (approximately 3 ft deep x 1 ft deep.
• Spoils are to be removed from site and off hauled.

Drainage
• Install geocomposite drain (Miradrain 6000) in chimney drain strips per plans and specifications S2.2.
• Terminate Miradrain at bottom into drain rock per plans and specifications S5.1.
• Include rock pocket on side edges and bottom edge with 4” SDR 35 perforated drain pipe per plans and specifications.
• Provide for 3” weep holes per plans and specifications above Shotcrete base footing 6/S5.1.
• Include perforated pipe at top and bottom of landscape pockets per plans and specifications.
• Connect all perforated pipe to 4” SDR 35 tight lines
• Install four 6” SDR 35 tight lines from top of wall connecting to D.I. drainage in V ditch and exit water to the bottom picking up 4” lines appropriately.
• Provide galvanized sweep section through wall footing at base of hill and discharge into catch basin filled with 3” cobbles.

Shotcrete
• Install Shotcrete edge footings per plans and specifications S2.1 and detail drawings 3/S5.1, 7/S5.1 and 8/S5.1.
• Install Shotcrete base footing 2.5 ft x 2.5 ft per plans and specifications S2.1 and 6/S5.1.
• Install approximately twenty two (22) landscape pockets per plans and specifications S2.1 and 5/S5.1
• Install double face of epoxy coated rebar using #5 rebar as shown on plans and specifications S2.1 and S5.1.
• Where tieback occurs provide additional reinforcement per plans and specifications 1/S5.1
• Install 8 inch thick Shotcrete per plans and specifications S2.1 and 4/S5.1.
• Install a second coat of Shotcrete to 10 total inches thick as indicated on plans and specifications
• Shotcrete to have 4800 psi minimum at 48 days.
• Shotcrete to be placed in accordance of Section 1925 of the 2001 CBC.
• Shotcrete to be natural finish with color applied after installation
Architectural Shotcrete
• After structural Shotcrete has been installed apply an additional Shotcrete layer on average 2 inches thick to appear as natural stone and made to blend into existing site.
• Apply stain to Shotcrete to match natural existing terrain color.
Terrace
• Excavate and install concrete reinforced continuous strip footing 1 ft 2 in wide by 1.5 ft deep and a maximum of 4 ft high for terrace per plans and specifications S2.1 and S5.2.
• Note: Price does not include future metal work, framing or metal deck with concrete slab. See alternative allowances below.

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 estimate is being made for driveway retaining wall replacement, driveway replacement and driveway expansion. The estimate is being made on a preliminary basis only and is subject to approval by a qualified structural engineer. The bid is for the installation of concrete reinforced maximum 36 inch high driveway retaining wall on 18 inch piers along the driveway. In addition an estimate for driveway replacement is included along with an estimate for a driveway expansion. The price includes labor and materials to complete the job as per the itemized scope of work listed below.

Scope of Work

Mobilize, Demo and Remove Vegetation
• Mobilize to site and remove all vegetation necessary. Remove spoils from site.
• Bid includes engineering drawings.

Piers
• Drill for seven (7) 18” diameter x a maximum of 10 feet deep
• Install seven (7) 18” concrete reinforced piers a maximum of 10 feet per plans.

Footing
• Excavate for footing (if necessary) on top of piers approximately 56 linear feet as called for by engineer. Off haul spoils from site.
• Install approximately 56 linear feet of concrete reinforced footing on top of piers as called for by engineer.

Drainage
• Install approximately 56 linear feet 3” diameter SDR 35 Perforated Pipe in a rock pocket behind grade beam wall.
• Install Miradrain 6000 3 feet high by 91 feet long or as an alternative (contractors option) provide for a drain rock behind grade beam 9 inches wide by 3 feet high.
Note: Drain to exit to daylight at end of grade beam. Final connection not included.

Retaining Wall
• Install an 8 inch thick concrete reinforced retaining wall 56 linear feet to a maximum of 36” high per engineering specifications.

Concrete Reinforced Driveway
• Excavate and Demo existing driveway. Approximately 825 square feet. Offhaul spoils from site.
• Install a 5 inch concrete reinforced driveway over 6-mill membrane with 2” of sand and 4” of crushed rock base. Approximately 825 square feet of new concrete driveway.
Add Expanded Driveway and new Retaining Wall to Driveway Replacement
• Install new concrete retaining wall to allow for driveway expansion. Estimated wall to be no greater than 15 linear feet with wall height to be no greater than 4 feet. Includes drainage. Wall thickness to be no greater than 8 inches.
• Additional square feet of driveway approximately 200 square feet.
Note: Contractor will require the use of a structural engineer to prepare plans for work proposed. It will engage the engineer and assist the homeowner in the final design. It will require a building permit be applied for and plans approved by the appropriate regulatory bodies for work can commence.
Exclusions
• Cost of, bonds, inspections and testing.
• Any work on utilities including buried pipes.
• Increased cost of drilling or excavation due to hard rock, underground water or caving soils. (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes.) (Hard rock excavation is defined as material that cannot be excavated with a conventional backhoe or excavator bucket.)
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Damage or replacement of fence or landscaping.
• Damage to existing retaining walls.

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 estimate is based on structural drawings (sheets S1 & S2). The bid consists of installing three helical piers as per plans. Our price includes all labor and material to complete the job as per the itemized “Scope of Work” below.

Scope of Work
Helical Piers
• Mobilize to jobsite. Demobilize.
• Install a total of (3) 10 ft. deep Foundation-SupportWorks HP-287 helical piers. Helical piers include (1) 5 ft. 8”–10” galvanized lead helix plate configuration with 3/8-inch thick grade 50 steel standard helix plate configuration plus (1) 5 ft. galvanized extensions and (1) galvanized HP288NCBA-G bracket assembly each. Installation torqueing rates based on torque rating conversion chart.
• Clean-up and remove construction debris from site.

Notes:
• Additional footage for helical pier depths.
• Pull testing or compression testing of helical piers is not included in the main estimate. If pull testing or compression testing are required, testing will be performed on a time and material basis.
Testing Note: Installation will be made using torque conversion charts as an equivalent to pull test operations. The conversion charts produce installation torque conversion ratings based on the equivalent ft-lb torque capacities suggested by the manufacturer. Proposed helical piers installation is based on achieving a final installation torque of 20,000 ft-lb. Additional depths (if needed) required to meet the required capacities will be charged at a per ft. installed cost provided above.

Qualifications and Clarifications
• Includes one mobilization only.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Standard drilling conditions.
• Full payment upon completion.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Increased costs of excavation or drilling due to hard rock, tree roots, caving conditions, 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.)
• Increased cost of helical installation due to rubble, boulders, fill or any unknown underground obstruction.
• Any work on utilities including buried pipes.
• Soil injection/permeation grouting.
• Removal of generated spoils from site.
• Erosion control.
• Winterization.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.

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 estimate is based on structural drawings provided. The bid is for the installation of two new I-beam and pressure treated wood lagging retaining walls as per plans. Our price includes all labor and material to complete the job as per the itemized “Scope of Work” below.

Scope of Work
Rear Retaining Walls
• Mobilize to jobsite.
• Temporarily support the northern section of the existing wooden deck to safely remove (2) existing deck supports plus a portion of existing concrete tie beam for the installation of the new I-beam retaining wall. Remove temporary supports once deck is sitting on the new post footings.
• Saw-cut, demolish and remove from site (2) existing deck concrete pier footings and one small section of existing concrete tie beam. Remove debris from site.
• Perform layout with client for the location of the two new I-beam walls.
• Drill (6) 18” diameter x 15 ft. deep piers and install (6) new W8x35x15 ft. long metal I-beams in pier holes. Fill piers with 2500 psi concrete.
• Drill (1) 18” diameter x 13 ft. deep pier and install (1) new W8x35x13 ft. long metal I-beams in pier holes. Fill piers with 2500 psi concrete.
• Drill (5) 18” diameter x 18 ft. deep piers and install (5) new W8x35x18 ft. long metal I-beams in pier holes. Fill piers with 2500 psi concrete.
• Remove drilling spoils from site.
• Install 4×12 ACZA pressure treated lagging between I-beams. Seal all cut ends with preservative. Leave ¼” gap between boards for drainage.
• Install back drain consisting of permeable class II drain rock wrapped in filter fabric as shown on drawings. Cap drainage system with compacted native soils.
• Install (2) new reinforced concrete deck pier footings similar to original detail F-S1 plus a replacement tie beam per detail G-S1 shown on original drawings sent by homeowner. Includes (2) new hot dip galvanized post bases to replace existing.
• Clean-up construction debris from site.

Alternate #1 – Bench Excavation
• Excavate two new benches for the installation of the new walls. Bench estimated for length of new wall as shown on drawings x 2 ft. wide x approx. 6 ft. deep. Stockpile spoils at rear yard. Removal of spoils not included.

Alternate #2 – Bench Excavation Spoils Removal
• Remove 30 trucked cubic yards of bench excavated spoils from site. Mass yard excavation is not included.

Alternate #3 – 6 ft. tall picket fence
• Drill three holes at (5) new I beam locations for the installation of the new 6 ft. fence.
• Install (5) 4×4 new pressure treated posts at each I-beam location. Please note a portion of this fence is on CMU wall (1/S-3) and is not included in this estimate.
• Install 21 linear ft. of new fence as per detail 5/S-3.

Alternate #4 – upper wall 3 ft. “railings”
• Drill three holes at (5) new I beam locations for the installation of the new 6 ft. fence.
• Install (5) 4×4 new pressure treated posts at each I-beam location plus (3) new isolated hand-rail piers as shown on detail 3/S-3.
• Install a new 3 ft. tall railing as per structural detail 3/S-3.

Qualifications and Clarifications
• Job is bid as package unless agreed otherwise.
• Includes one mobilization only.
• Prices are subject to adequate supply of rock, concrete, asphalt, PVC resins, PVC pipe, fittings at prices quoted at bid time and are good for 30 days.
• Proposal is based on working STD 5 day, 40 hour work week, and mutually agreeable schedules.
• Progress payments every two weeks. No retention