RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. You may see our trucks and drilling equipment on East Blythedale, working their way up into the Mill Valley neighborhoods. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area. If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on architectural drawings and structural. This bid is for the excavation and installation of new house addition reinforced concrete foundation on piers.

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

Scope of Work
New Addition Foundation
Excavation
• Excavate for the installation of the new house addition as per plans. Off-haul excavated spoils from site.

Mobilization and Supervision
• Mobilize to jobsite. Demobilize.
• Supervision.
• Perform weekly cleanup.

New Concrete Foundation Installation
• For the new house addition, install new perimeter and interior grade beams and footings as per structural details and layout on sheet S2.1. Includes garage stem walls poured monolithically.
• For the new garage, install a new 5” thick reinforced concrete slab over with # 3 @ 12” o.c., e.w. 10 mil vapor barrier and 4” of ¾” crushed gravel.
• Clean up RWR related debris and form materials from site.

Drill and Install Piers
• Drill and install a total of (28) 18” diameter x 10 ft deep maximum reinforced concrete piers as per sheet S2.1 layout. Remove drilling spoils from site.
Alternate #1 Existing Structures Demolition
• Perform existing house garage and foundations demolition per plans for the installation of the new house addition.
Demolition exclusions: Permits, retention, hazardous materials abatement, utility safe-offs, grading and backfilling.

Notes
• Elevations and layout to be provided by General Contractor or surveyor (hired by others) 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.

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).
• 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.
• Waterproofing or drainage.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Architectural concrete or type of special concrete finish product other than integral color in the concrete mix allowance mentioned above.
• Surveying and Layout.
• Supply of embedments other than foundation bolts.

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. You may see our trucks and drilling equipment on East Blythedale, working their way up into the Mill Valley neighborhoods. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area. If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

Preliminary Estimate for Demolition of Existing Garage and Driveway Slab, Drilling and Installation of Piers, Installation of Foundation for Addition and Exterior Stairs

This preliminary estimate is based on preliminary plans. The work consists of demolition of the existing garage slab and part of the existing driveway. Work will include installation of drilling and installing piers for the new addition along with numerous foundation footings and grade beams and new exterior stairs. Include new slab for garage floor.

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

Scope of Work

Mobilization
• Mobilize to site. Demobilize
• Layout to be completed by General
• Supervision
• Fuel Surcharge
• Daily Cleanup
• Includes Final Clean Up

Demolition
• Demolish existing garage slab and part of driveway per plans and specifications. Off-haul debris from site.

Piers

• Excavate and Install twenty six (26) 18” concrete reinforced piers to various depths as shown on S1.1. Pier depths are as indicated on plans.
• Remove Spoils

Foundations

• Excavate and install approx. 298 linear ft. of foundations. Foundations are per plans and specifications are a maximum of x 24” wide x 34” high of reinforced concrete grade beam as per plans and specifications.
• Drill and install approximately 35 dowels per plans and specifications

Stairs
Install Concrete Reinforced stairs per plans and specifications on 1/S3.3

Slabs

• Install 6” reinforced concrete slab over 2” of sand and 4” of crushed rock base and 6-mill membrane. Reinforcement to be #5 rebars 12”each way per plans and specifications.
• Approximately 504 square feet of slab. .

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Layout
• Increased costs of excavation 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 1ft. in 5 minutes.
• Any work on utilities including buried pipes.
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Grubbing or Replacement of damaged landscaping or hardscaping including trees.
• Costs for providing safe off of utilities.
• Any Waterproofing required.
• Guard Rails
• East Side Stairs
• 6X6 Posts
• Steel Column
• Demolition of slabs over 4” thick or foundations over 1’ thick.
• Any Rock Facing on new retaining walls

Note: We will require a soils report to complete bid.

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. You may see our trucks and drilling equipment on East Blythedale, working their way up into the Mill Valley neighborhoods. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area. If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on architectural drawings, civil drawings and structural drawings. The proposal is for the installation of a new reinforced concrete foundation per structural drawings as well as earth shoring system per structural drawings.

Scope of Work
Mobilization and Supervision
• Mobilize to jobsite. Demobilize.
• Supervision.
• Perform weekly cleanup.
Grubbing and clearing work area
• Grub and clear work site area of all vegetation (except trees and stumps) plus remove the cleared materials and strippings from site.

Existing house structure structural shoring
• Install combination of post, driven pipe pile and cribbing towers with temporary beams to support the existing house structure at elevation 140 as per plans. Installation of cribbing towers to be performed in conjunction with house foundation demolition operations and mass excavation for cribbing tower installation. Removal of cribbing towers once house is re-attached to new foundations (by others) is included.
House & Garage Foundation Demolition for New foundation Installation
• Demolish and remove from site the existing house foundation including the existing house chimney, concrete walkways, concrete stairs, existing garage foundation, existing garage structure & wooden deck, plus scrape existing driveway AC. Includes demolition of all visible concrete foundations for the installation of the new foundations shown on structural drawings. All soft demolition to be provided by GC. See requested broken-down prices provided on sheet one.
• Off-haul all demolished debris from site.

Tieback & shotcrete shoring installation
• Drill and install (116) at 60 kips (design capacity) 1” diameter double corrosion-protected 150 ksi diameter tieback bars in 6” diameter drilled shafts extending into soil as per plans (Includes bonded and un-bonded lengths). Off-haul drilling spoils from site.
Note: tiebacks are included at different embedment depths and with bonded and un-bonded lengths accordingly as shown on detail 1/S3.0. For the house, tiebacks at elevation 118’ = 39 ft. total embedment, @ elevation 124’ = 44 ft. total embedment & @ elevation 130’ = 49 ft. total embedment & @ elevation 136 (where applies) = 54 ft. total embedment. The same bonded un-bonded equation applies for the new car elevator area east, north and south sides @ elevations; 139’ 145’ 151’ & 157. An allowance for the installation of a total of 5107 total linear ft. of bonded and un-bonded lengths is included in this estimate.
• Install in sequence a 3” thick layer of reinforced concrete shotcrete in 5 ft. lifts for earth shoring purposes and interlock with a rebar whaler grid system installing a standard nut and 6”x6” washer to lock the temporary earth retention system as excavation proceeds downward.

Mass house foundation & car elevator excavation
• Excavate to new house foundation & sub-grades per elevations shown on drawings. No import is included in this estimate. All native spoils are assumed acceptable to be used for re-compaction.
• Off-haul excess soils from site.

Pier installation
• Drill and install (61) 18” diameter x 20 ft. deep maximum reinforced concrete piers. An allowance of 1220 linear ft. of reinforced concrete piers is included.
• Off-haul excess soils from site.

Backfill and re-compaction operations
• As job progresses and coordinating the installation of the new house retaining wall plus site plan driveway wall sequence with General Contractor, re-use approx. 450 cubic yards of native soil for backfilling and re-compaction behind the new retaining walls mentioned above to create the new auto court area. Includes cutting a maximum of 4 ft. wide x 12” stepped base footings into the native slopes as standard procedure prior to commence re-compaction operations. All excavated spoils generated from “stepped benching to be re-compacted as well.
• Off-haul excess soils from site. See notes below.

Notes:
1. An estimated approx. 1950 cubic yards of dirt will be extracted from the original existing grades to achieve the new slab sub-grades, excavation for the new house & car elevator foundation. At the same time a rough calculation for the re-compaction requirements is approx. 450 cubic yards of the native soil, an excess of approx. 1500 cubic yards of dirt to be off-hauled from site.
2. The excavation price provided includes the off-haul of 1500 cubic yards from site and includes excavation, loading, transportation and dump fees. No deducts

House S2.1, S2.2 & 2.3 & new carport S2.4 foundation + site walls S2.6 concrete work
• For the new garage foundation level per sheet S2.4, install new 5” thick reinforced concrete slab over a new 24” thick x 5 ft. wide perimeter footing foundation per 1/S3.0 retaining/concrete walls.
• For the new third level, floor foundation level, and as per sheet S2.3, install new 5” thick reinforced concrete slab over a new 24” thick x 5 ft. wide perimeter footing foundation per 1/S3.0 retaining/concrete walls. Omit installation of mud/storage room at this level as shown on structural sheet S2.3.
• For the new level two, floor second level, and as per sheet S2.2, continue east side walls up to elevation 140’ plus install new mud/storage room 18” thick mass footing and perimeter walls.
• For the new main house level and as per sheet S2.1, install shown 10” thick elevated slab at new mud/storage room + storage foundation.
• Includes the installation of a new site walls per layout and height retained on sheet S2.6.
• Clean up construction debris from site.
Alternate #1 Erosion Control
• Per indications on C-500
Alternate #2 Utility lines
• A multiline trench approx. 120 ft. long x 36” deep x 18” wide backfilled with 18” of fill sand and 18” of native soil.
• A single service line trench approx. 120 linear ft. long x of 24” wide x 18” deep. Backfill trench with 8” of sand and re-compacted native soil to cap the rest of the trench.

Alternate #3 Earth work area winterization
• Install 6 mil plastic with sand bags over it for temporary winterization as needed.
Alternate #4 Concrete Driveway (optional)
• Install a new 5” thick structural concrete driveway slab on grade for driveway (2905 sq. ft. allowance) area.
Alternate #5 Stump removal
• Remove native sumps from site (up to 36” in diameter)
Notes
• Existing structures protection, adjacent structures protection, elevations, layout and secured batter boards as well as elevation story poles to be provided and confirmed by General Contractor prior to concrete installation.
• Trees to be removed (by others) are assumed to be removed prior to mobilization and brake-ground day.
• Waterproofing and drainage membranes are to be provided and installed by others (please see limited backfill and re-compaction scope above).
• Elevations, provide of elevation story pole, layout providing, checking & confirmation of and secured batter boards to be provided by General Contractor performing the remainder of the project.
• Native soils are assumed acceptable to be used for backfill and re-compaction where needed. Import of engineered fill or any other type of import for re-compaction materials (if needed) is not included in this estimate.
• All walls are assumed Shotcrete installation approved for cost savings. If board formed walls are selected see additional cost and add it to preliminary pricing at each alternate.
• New auto court sub-grades re-compaction operations assumed benching into exiting grades by a standard 12” deep x maximum 4 ft. wide benches. No additional excavations or re-compaction of un-acceptable existing sub-grades is assumed at this point. In an event the project soils engineer requires to over excavate existing grades and backfill and re-compact the driveway area with native soils down to acceptable bearing native materials to receive the new re-compaction operations included in our preliminary proposal additional cost will apply.

Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Itemized provided pricing is shown as reference and per request of the GC. Itemized prices are not self-supporting.
• 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. No retention.
Exclusions
• Cost of plans, shop drawings, 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).
• Tree removal, stump removal
• Site drainage.
• Erosion control and winterization.
• Demolition or removal of buried or unknown concrete or other structures (e.g. deep footings, massive footings, buried concrete walls etc.) beyond reasonable (12” below grades x thicknesses above grades) assumed existence of at the time this proposal was being put together.
• Mock ups.
• Driveway resurface, driveway related walls (not outlined on structural drawings), or new auto court installation, concrete stairs, walkways, or any other concrete work not outlined on the current structural drawings or included in our scope of work.
• Metal I-beams/metal work, welding related or any related not mentioned above.
• Precast concrete, integral color slabs or other concrete work not outlined in our scope of work.
• Street sidewalk, street entry driveway, street-curb concrete work or driveway asphalt work.
• Tanks (provided and installed by plumbing contractor), house downspouts or any other plumbing work not related to scope of work outlined above.
• Drainage, waterproofing membranes, water stop plus perimeter edge drains/aqua drains for all new concrete walls.
• Plumbing work, zurn drains, plumbing lines, sump/ejector pit installation or any other work not mentioned in our quote.
• Provide or install of shrink/leveling grout.
• Soil injection/Soil grouting.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Additional cost due to utility obstructions including any additional work on underground utilities or buried pipes.
• Supply of embedments for concrete work other than foundation “J” bolts.

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. You may see our trucks and drilling equipment on East Blythedale, working their way up into the Mill Valley neighborhoods. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area. If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on structural drawings. The bid consists of performing foundation repairs 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
Foundation Repair Work
• Mobilize to jobsite. Demobilize.
• Supervision. Perform weekly cleanup.
• In sequence, install combination longitudinal metal beams, temporary posts, driven pipe pile and crib towers attached to the existing house supports/metal posts to support main floor of house. Remove shoring system after house is re-supported on new foundations.
• Demolish and remove from site the upper sections of existing concrete pedestals/foundation (as required and as shown on drawings) specifically for the installation of the new reinforced concrete work. Off haul demolition debris from site.
• Drill and install (12) 18” diameter x 10 ft. deep reinforced concrete piers + excavate for and install (6) hand-dug footing/piers as per plans. Remove drilling spoils from site.
• Excavate for and install new reinforced concrete grade beams and concrete pads as per plans, assigned structural details and specifications on S1 foundation plan. Remove excavated spoils from site.
• Clean-up site and remove all construction debris and excess soils.

Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Includes one mobilization only.
• Prices are subject to RWR obtaining 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.
• Elevations and layout to be provided by General Contractor performing the remainder of the project.
• Due to temporary shoring installation under the existing house structure, installation/removal of shoring may result in small cracked walls, uneven floors finishes as well as other cosmetic damages. Not including repair of same in this estimate.

Exclusions
• Cost of plans, permits, shop drawings, 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.)
• Any work on utilities including buried pipes.
• Waterproofing or drainage work.
• House re-leveling.
• Earth shoring.
• Erosion control.
• Winterization.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Architectural concrete or type of special concrete finish product.
• Surveying and Layout.

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed.  RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

Demo, Excavation, Drilling, Concrete Piers,
Concrete Haunches, Concrete Foundation Repair,
Concrete Slab and Concrete Retaining Walls

This estimate is based on structural drawings and Architectural drawings. The scope of work includes demo of concrete, excavation for new retaining walls, haunches and foundation reinforcement, drilling, concrete piers, concrete haunches, concrete footing attachments, new concrete grade beams, new retaining walls and drainage. 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 track drilling rigs, portable drilling rigs and Bobcat along with other necessary equipment to complete job (See notes below).
• Layout to be completed by General Contractor per plans and specifications
• All soft demo to be completed by General Contractor. See Notes.
• Daily Cleanup
• Final Cleanup

Demo Concrete
• Demo existing footings as indicated on plans and specifications.
• Off haul debris from site

Piers
• Drill forty nine (49) 18” diameter x 10 ft maximum as shown on plans and specifications S2.0 and S3.0 with track drilling rig where applicable and portable drilling rig where track cannot reach. See drilling conditions and exclusions. Final depths to be determined by soils engineer.
• Install forty nine (49) steel cages and place concrete in holes per plans and specifications S2.0 and S3.l.
• Off haul pier spoils from site.
Note: A drilling allowance of 13 days for portable rigs is being provided. It is anticipated drilling will encounter hard rock.
Excavation
• Excavate per plans and specifications for new retaining walls, haunches and grade beams.
• Where appropriate off haul all dirt spoils not being used for re-installation and compaction.

Concrete Footing Additions
• Install approximately 275 ft of concrete footing addition to existing foundation per plans and specifications S2.0 and 2/S3.0.
• Dowel into existing foundation per plans and specifications using Simpson epoxy or approved equivalent.
• Add a maximum of twenty (20) concrete footing additions (3/S3.0) on opposite side from addition described above centered on holdowns per plans and specifications S2.0 and 3/S3.0..

Concrete Haunches
• Excavate for new concrete haunches where required (32) per plans and specifications S2.0 and 3/S3.0.
• Install new concrete reinforced haunches at each pier called for in plans and specifications S2.0 and 3/S3.0.
• Dowell and epoxy into existing footing per plans and specifications S2.0 and 3/S3.0.
• Off haul spoils from site

Concrete Grade Beams
• Excavate for new concrete grade beams where required per plans and specifications S2.0 and 10/S3.0.
• Install approximately 30 ft of new concrete grade beams 2 ft x 1 ft per plans and specifications S2.0 and 10/S3.0.

Retaining Walls
• Excavate for new concrete foundation per plans and specification for new retaining walls S2.0 and S3.0.
• Install new concrete reinforced footings for new retaining walls per plans and specifications S2.0 and S3.0.
• Install new 12 inch concrete reinforced retaining walls a maximum of 8 ft high per plans and specifications S2.0.
• Includes Miradrain for retaining walls per plans and specifications S2.0 and S3.0.
Drainage
• Install approximately 55 ft of 4 inch perforated SDR 35 pipe behind new retaining walls in a rock pocket (approximately 1 ft x 1 ft) at bottom of new retaining wall per plans and specifications S2.0 and S3.0. Miradrain mentioned above is to terminate at bottom of wall into rock pocket.
• Final exit of drainage per civil plans for connection to drainage system (See Drainage Alternative).

Slab
• Install approximately 200 sq ft of new 6 inch thick concrete structural slab with w #4 @ 16” e.w. on 2 in of sand, over a 10 mil vapor barrier and 4 in of crushed rock with thickened edge.

Note: This job site requires extensive work under the house with new piers and new additions to existing footings. It is anticipated that much of the existing floor will have to be removed and replaced to allow this installation. This estimate assumes General Contractor will undertake and complete work necessary to allow this installation as RWR determines.

Alternative #1

Drainage

• Install approximately 125 ft of SDR 35 4 inch tight line (SDR 35) capturing drainage from retaining walls and down spouts to drain exit (bio-swale) on side of house per civil drawings C1.0.
• Install 4 down spouts to tight 4 inch line
• Install 22 ft NDS trench drain at driveway per plans and specifications C1.0 and connect to 4 inch tight exit line.
• Install two Catch Basins per plans and specifications C1.0.
• Install approximately 25 linear ft of 6 inch tight SDR 35 pipe from the upper catch basin to the lower catch basin.
• Install a 50 ft x 5 ft Bio Swale for drainage exit per plans and specifications C1.0 and C3.0.
o Includes 1 ft x 1.5 ft rock pocket with 6 inch SDR 35 perforated pipe approximately 50 linear ft. per plans and specifications
o Includes imported sandy loam material per plans and specifications 50 ft x 5 ft x 1 ft. installed over a 30 mil vapor barrier.
o Install 2 in deep ½ inch drain rock on surface per plans and specifications C1.0 and C3.0
Alternative #2

Concrete Stairs Behind House

• Install new concrete reinforced stairs behind house per plans and specifications C1.0.
• Price includes standard stair footings with no stem walls. Approximately 24 treads.
Alternative #3

Catchment Wall Behind House

• Install approximately 35 linear ft for a new 4 ft high Catchment Wall behind house per plans and specifications C1.0 and C3.0.
• Bench and cut for installation of new wall approximately 35 linear ft x 4 ft tall.
• Drill seven (7) piers approximate 7 ft deep per plans and specifications.
• Place into seven (7) holes concrete with 6×6 PT wood posts per plans and specifications
• Install 3×12 PT lagging per plans and specifications C1.0 and C3.0. Leave ¼ gap between boards for drainage.
• Install drain rock behind wall a maximum of 3 ft high capped with 1 ft of native soil per plans and specifications.
Qualifications and Clarifications
• Job is bid as package.
• Includes one mobilization only.
• Prices are subject to RWR obtaining adequate supply of wood, steel, 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.
• RWR is not responsible for survey lines. Survey of property lines must be done by licensed surveyor.
• Soils report from Nersi Hemati dated August 26, 2009 was provided. Report was referenced for this estimate but scope of work is limited to that as shown above.
• Progress payments every two weeks.
• General Contractor to provide elevations and confirm layout

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). See notes on drilling allowance.
• 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
• Soft demo
• Structural or Earth shoring
• Embedment of any bracket or holdown into concrete other than standard foundation bolts
• Survey of property lines
• Landscaping or irrigation
• Excludes electrical and plumbing including UFER.
• Carpentry except as needed for installation of concrete
• Demo of concrete in excess of 8 inches.
• Exclude stone on slabs, stone veneer on retaining walls.
• Steel posts or structural steel
• Asphalt Concrete

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on structural drawings and architectural plans. The bid is for the installation of a new reinforced concrete house foundation and retaining walls as per plans.

Scope of Work
HOUSE
• Mobilize to jobsite. Demobilize.
• Supervision.
• Install safety barricades as needed.
• Perform weekly cleanup.

Grubbing and Clearing + Excavation
• Grub and clear the lot of brush as necessary for the installation of the new house foundation. Off haul debris from site.
• Mass house excavation to slab sub-grade levels as per architectural plans elevations and structural plans information. Off-haul all excavation spoils from site.
• Excavate for new perimeter footings, grade beams and concrete walls as per plans. Off-haul excavation spoils from site. (Wall excavation will be cut 1” behind back of wall.)

Drill and Install Piers
• Drill and install (57) 18” diameter x 15’ deep reinforced concrete piers as per plans. Off-haul all drilling spoils from site.

Waterproofing + Drainage
• Install Miradrain 6000 drainage panels against outboard cuts at perimeter foundations as per architectural plans and terminate into a 4” diameter SDR 35 perforated pipe at perimeter base in a 1ft. tall x 1ft. thick gravel pocket. (Rock pocket consists of a 4” SDR 35 perforated drain line wrapped in filter fabric surrounded by ¾-crushed gravel).
• Terminate drainage lines at two specific points, one at the corner of A & 5 grid lines and the other one at the front stairs. (Outlet to street location by others).
• Excavate and install all other perimeter perforated foundation drainage lines (Other than mentioned above) as per the drainage site plan page WA1.2.
• Excavate and install approx. (9) new 4” diameter downspouts as per layout on page WA1.2.
• Install approx. 387 linear ft of SDR35 tite line to collect all of the perimeter downspouts at the perimeter of the new house foundation and terminate at two specific points, one at the corner of A & 5 grid lines and the other one at the front stairs. (Outlet to street location by others).

Install Foundation and slabs
• Install all perimeter and interior reinforced concrete grade beams, tie beams, retaining walls for the house structure as per sheets S-2, S-3 from structural plans
• Install the exterior retaining walls as per sheet WA3.2 layout and elevations and structural details on page S-3.
• At new interior garage, laundry room and work shop install a new 5” thick reinforced concrete slab approx. 1180 square ft. with # 5 rebar @ 16” on center each way over 2” of fill sand, 6 mil moisture barrier and 4”of ¾ crushed gravel. Slab to have a smooth troweled finish.
• At new upper exterior terraces, install a new 5” thick reinforced concrete slab approx. 652 square ft. with # 5 rebar @ 16” on center each way over 2” of fill sand, 6 mil moisture barrier and 4”of ¾ crushed gravel. Slab to have a light-broomed finish.
• Clean up RWR related debris from site.

Notes
• Layout and elevations must be provided by general contractor performing the remainder of the project.
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).
• Sump pump box or any work related to it.
• Any work on utilities including buried pipes.
• Earth shoring.
• Exterior main entrance concrete stairs.
• Driveway, driveway retaining walls and all related to driveway work.
• Supply of embedments other than foundation bolts.
• Any concrete work not mentioned above.
• Masonry/Block walls (Only Concrete Footings for masonry walls are included).

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is being made for piers, rebar and concrete. The bid is based on plans provided. The bid is for drilling and installation of concrete reinforced piers only. The price includes labor and materials to complete the job as per the itemized scope of work listed below.

Scope of Work

Mobilize
Mobilize to jobsite
Layout to be provided by general contractor

Piers
• Drill for twenty five (25) 18” diameter piers. Maximum depth of 8 feet deep per plans and specifications S1.1 and S2.4.
• Install twenty five (25) 18” concrete reinforced piers a maximum of 8 ft deep. Include transfer bars, rebar and concrete. Final depths to be determined by soils engineer. Additional price per ft is $65.00.
• All Spoils to remain on site.
Note. See hard rock drilling exclusion.
Exclusions
• Cost of plans, permits, bonds, inspections and testing.
• Layout
• Any work on utilities including buried pipes.
• Any Excavation
• 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 landscaping.
• No off haul of spoils
• No Drainage

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on structural drawings. The work includes drilling, installation of a grade beam, drainage and seismic retrofitting. Our 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
• Daily Cleanup
• Final Cleanup

Excavation
• Excavate for new grade beam per plans and specifications D-1 and S5.
• Excavate for seven (7) haunches per plans and specifications.
• Remove concrete from existing grade beam tying deck footing and existing foundation. All existing rebar to remain intact.
• Off haul all dirt spoils and concrete debris from site.

Piers
• Drill seven (7) 18” diameter x 11ft. deep piers per plans and specifications Section C (D-1) and S-5. Final depths to be determined by soils engineer. See Hard Rock Drilling Exclusion.
• Install seven (7) 18” diameter x 11ft deep concrete reinforced piers per plans and specifications Section C (D-1) and S-5. Additional cost per foot installed is equal to $110. NO Deduct.
• Off haul all pier spoils from site.

Foundation
• Install concrete reinforced grade beams 24”x 24” per plans and specifications Section C (D-1).
• Repair stucco using Detail 3 (D-1) per plans and specifications.
• Install downspout through grade beam using section F (D-1) per plans and specifications.
• Install seven (7) haunches per plans and specifications (Revised haunch detail).

Drainage
• Install approximately 60ft of solid SDR 35 pipe behind wall and connect to tight line per plans and specifications S-6. Connect to existing D.L. junction box. Note: No other drainage detail provided.
• Include down spout extension (maximum 3).

Seismic Retrofit
• Per plans and specifications S-7 add new 2×6 suds with PHD5-SDS3 brackets as needed for shear wall elevation.
• Add additional foundation bolts as needed using 5/8 threaded rod embedded minimum 7” into existing foundation and 32” o.c. spacing per plans and specifications S-7 (maximum of 50 new bolts).
• Install rough opening door framing with 6” x 12” header. (Door excluded).
• Per plans and specifications S-7 install new shear walls under house on south wall wrapping around on east and west wall as shown on plans.
Alternative #1
• Remove and replace existing small Retaining Wall.
• All contained soil to remain. Include additional spoils from new excavations if applicable.
• Maximum height of new wall not to exceed 24”.
• Piers to be 4ft o.c. using p.t. 4×4 in concrete a maximum of 3ft deep.
• Lagging to be p.t. 2×12.

Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• 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.)
• Demolition of any concrete footings greater than 18” deep or any concrete slabs or asphalt greater than 4” thick.
• Cost for any carpentry/woodwork except as outlined in this estimate.
• Any work on utilities including buried pipes or irrigation pipes.
• Replacement of damaged landscaping.
• Embedments into new concrete other than foundation bolts.
• Off-haul of materials unacceptable at dump.
• Excavation and off hauling of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Additional drainage not specifically outlined in this proposal.
• Compaction of any soils not outlined in this proposal.
• Importation of backfill material.
• Electrical or Plumbing
• New access door for crawlspace.

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on architectural drawingsand structural drawings. This bid is for the selective hard demolition, excavation and installation of a new house reinforced concrete foundation 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
Foundation Work
Excavation
• Excavate for the installation of the new house foundation as per plans. Off-haul excavated spoils from site.
Note: excavation for the new basement slab sub-grades is estimated to be to a maximum of 6 (six) inches below the bottom of the existing slab for new slab under layers (gravel and sand). No mass excavation has been calculated for this project.
Demolition
• Perform existing slab and selective house foundation demolition for the installation of the new basement foundation as per plans. Off-haul demolition debris from site.
• Includes demolition of two existing brick chimneys plus off-hauling debris from site.
Demolition exclusions: Permits, retention, hazardous materials abatement, utility safe-offs, grading and backfilling.
Structural Shoring and House Lifting
• Install combination of post, driven pipe pile and crib towers with temporary beams to support main floor of house. 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 S2.1
• Mobilize to jobsite. Demobilize.
• Supervision.
• Perform weekly cleanup.
• For the new house foundation, install new concrete foundation as per structural details on S3.1 and layout on sheet S2.1.
• Install new 4” thick reinforced concrete slabs on grade over 2” of fill sand, 10 mil vapor barrier and 4” of ¾” crushed gravel for the new basement and garage per note 3 on sheets S2.1 and S2.2.
• Clean up RWR related debris and form materials from site.

Retaining Walls Waterproofing and Drainage + Backfill and re-compaction
• Behind the new retaining walls and as indicated on structural drawings, install Paraseal waterproofing membrane and Miradrain 6000 drainage panels over waterproofing. Terminate drainage panels into a perforated 4” SDR 35 pipe at perimeter base. Backfill behind foundation with a 1 ft. thick drain rock pocket wrapped in filter fabric, extending up to one foot below grade as per plans. (as an alternate use class 2 permeable without filter fabric). Outlet drainage lines via a buried 4” diameter SDR 35 tite line and connect to the existing drainage system.
• Backfill the upper one ft. with native soil in compacted.
Additional Work 10-5-2010

Deck Foundation
• Excavate and install foundation for new deck per plans and specifications S2.2, GS3.1 and 4/S3.3.
• Include nine (9) – 2.5 ft x 2.5 ft pad square at depth of 1.5 ft
• Include two (2) – 2.5 ft x 2.5 ft pad square at depth of 2 ft
• Include a grade beam 1 ft x 1.5 ft along perimeter of new deck.

Site Retaining Wall
• Install site retaining wall on outside of house per plans S2.1, A/S2.1 and A2.2.
• Demo 456 sq. ft of slab, entrance to existing house and brick stairs and wall per AB2.1
• Excavate back from house approximately 1 ft down (as shown on A4.4) to establish new rough grade. Store spoils on site for future backfill and compaction. No off haul. Excavated area limited to equal area of demo noted above.
• Excavate for new footing of new retaining wall per S2.1 and A/S2.1
• Install new 8 inch thick retaining wall per S2.1 and A2.2 a maximum of 5 ft tall. a maximum of 25 linear ft. Does not include concrete stairs.
• Install Paraseal waterproofing with Miradrain and drainage with 4 in perforated SDR 35 and drain rock per plans.
• Backfill with spoils on site.

Drainage
• Drainage has been estimated using drain plans as shown on D1.0 Drainage Plan, Landscape plans L-1, and Architectural A2.1 and A2.2. It should be noted this additional drainage is limited to items noted in this scope.
• Install 185 ft of tight 4 in SDR 35 pipe for drainage to capture Area drains and downspouts.
• Install ten (10) downspout connectors to tight drain pipe.
• Install five (5) area drains (V1) and connect to tight pipe.
• Install a 16 ft trench drain at garage entrance with traffic grate and connect to tight pipe.
• Install three (3) dissipaters 2 ft x 2 ft x 4 ft. and direct solid 4 inch tight pipe to dissipaters.
• Install two (2) Drywell’s 20 ft long x 2 ft wide x 4 ft deep as shown on D1.0 and detail 3/D1.0. Connect 4 inch pipe as shown on D1.0.

Notes:
• Elevations and layout to be provided by General Contractor or surveyor (hired by others) 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.
• Due to temporary shoring installation under the existing house structure and lifting of the structure operations, installation/removal of shoring may result in cracked walls, cracked floors, uneven floors finishes as well as other cosmetic damages. RWR is not including repair of same in this estimate and will not be responsible for such items.

Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Includes one mobilization only.
• Prices are subject to RWR obtaining 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).
• 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.
• Rat proofing.
• 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 bolts.
• Any work on Cabana foundation

RWR has done a lot of work in the Mill Valley area, including foundation repairs, retaining walls and drainage repairs. The hilly Mill Valley area, at the foot of Mt Tamalpais gets a lot of rain and moisture, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed. RWR specializes in this type of construction work in the Mill Valley area, and has great relationships with many engineers and architects working in this area.  If you have a situation you’d like us to look at, please give us a call.

Here’s an example of foundation repair work we perform in the Mill Valley area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.

This estimate is based on architectural drawings and structural drawings by Dave Olnes. The bid consists of installing a reinforced concrete foundation for a new parking structure plus other walls as per plans.

Scope of Work
New Parking Structure
• Mobilize to jobsite. Demobilize.
• Supervision. Perform weekly cleanup.
• Grub work site area of all small vegetation and remove the cleared materials and strippings from site. Includes removal of existing trees & visible stumps.
• Perform all hard demolition as shown on drawings and as necessary for the installation of the new parking structure. Off-haul demolition debris from site.
• Cut hill side for the installation of the new parking foundations. Vertical cuts estimated to be within 1” of back of new walls for allowance of drainage membranes. Off-haul excavated spoils from site. Shotcrete installation method is assumed to be approved for this project.
• Install upper reinforced concrete wall as per detail B on drawings.
• Install new parking structure walls, footings, front walls and footings, concrete walkway, landing, stairs (6/R) and parking area slab. All as per S1. Includes demolition of entry curb + replacement of it.
• Back-fill top 1 ft. behind wall with compacted native soils.
• Clean up site and remove all construction debris and excess soils.

Earth shoring at North/West side
• Install a combination of I-beams and lagging along the north/west side of the new parking structure to support the vertical cut along the mentioned side for the installation of the new garage wall. This is a preliminary price and engineering or drawings are not included.

Add-on for earth Shoring Engineering Drawings
• Engineering approximate cost is provided below and it is based on similar jobs where shoring engineer must review, revise and incorporate shoring with designed foundation.
Qualifications and Clarifications
• Job is bid as package unless agreement to otherwise
• Includes one mobilization only.
• Prices are subject to RWR obtaining 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.
• Elevations and layout to be provided by General Contractor performing the remainder of the project.
• Standard RWR drilling conditions.

Note: This bid assumes RWR will be performing services as a Sub-contractor to a General Contractor. Bid assumes contract will utilize standard RWR contractual provisions. RWR 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).
• Demolition of existing concrete footings in excess of 1 ft. thick slabs over 4” thick or any other buried/hidden condition unforeseen by the assumption of normal standards installation procedures.
• Any work on utilities including buried pipes.
• Existing house underpinning or structural shoring.
• Waterproofing membranes (Paraseal) on walls other than new parking area walls.
• Earth shoring other than along north/west side.
• Erosion control
• Winterization.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
• Architectural concrete or type of special concrete finish product.
• Surveying and Layout.