Drawings_C26863002.pdf

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C26863002 MARSH CREEK STATE PARK - John Marsh House Stabilization Phase B
Solicitation number
0000039788
Issued by
Contra Costa County, Contra Costa Centre CDP, California

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This is a construction drawing document for the John Marsh House Stabilization Phase B project at Marsh Creek State Park in Contra Costa County, California, administered by the California Department of Parks and Recreation. The project involves structural stabilization work on a non-occupied historical building, with multiple deductive alternates identified for various wall sections and floor framing components. The drawing details specifications for second floor framing at the brick wall, including metal stud installation, epoxied anchor systems, wood plate connections, and foam insulation applications. Key construction elements include 400S200-68 metal studs spaced at 16 inches on center maximum, 3/8-inch threaded rods epoxied into existing stone walls, 4x6 treated wood plates, L6x4x1/4 angle bracing, and SDS screw fastening systems. Multiple deductive alternates (A1 through A7) are listed for sections S4.5/501, S4.5/502, S4.5/503, S4.4/402, and S4.4/403, allowing for cost adjustments based on scope modifications. A mandatory job showing is required for all prospective bidders, and a jobsite visit is essential for proper bid preparation.

The contract includes a 6% minimum Disabled Veteran Business Enterprise (DVBE) participation requirement, with failure to meet this requirement rendering bids non-responsive. A 5% Small Business Preference is available to properly certified small businesses submitting a completed STD 811 Form. All contractors and subcontractors must be registered with the California Department of Industrial Relations pursuant to Labor Code section 1725.5, with limited exceptions for bid purposes under Labor Code section 1771.1(a). Prospective bidders must submit questions regarding discrepancies, ambiguities, or conflicts in contract documents to merrilee.byrnes@parks.ca.gov no later than 2 p.m., seven calendar days prior to the bid opening date, with answers provided by addendum. Bidders are responsible for downloading all addenda from the project website prior to bid submission.

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Project_Manual_C26863002.pdf PDF
Bid_Forms_C26863002.pdf PDF

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CASp#873 8.25.23

Deductive Alternate A2 S4.5/501 North Wall

Deductive Alternate A3 S4.5/501 East Wall

Deductive Alternate A1 501/S4.5 West Wall

Deductive Alternate A4 S4.5/502 North Wall

Deductive Alternate A5 S4.5/503 West Wall

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

A A

(E) FLOOR JOISTS

(E) BLOCKING

(E) STONE WALL

(E) 3/4⌀ THREADED ROD THRU BOLT w/

PLATE WASHERS/WASHERS & NUTS

(E) BRICK

400T200-54 TRACK

4x6 P.T. WOOD PLATE, NOTCH TO

ACCOMMODATE (E) THROUGH BOLTS

AS REQ'D, NOTCH TO BE A TIGHT FIT

P.T. WOOD BLOCK OR NON-

COMPRESSIBLE SIDE FILLER

(E) FLOOR SHEATHING

(E) SPRAYED ON FOAM

L6x4x1/4 x 3" LONG (LLH) AT EA STUD w/

(6) #10 SCREWS TO STUD & (6) 1/4" x

3-1/2" SDS SCREWS TO WOOD PLATE1 1/4" TYP

3/8"⌀ THREADED ROD EPOXIED INTO

(E) STONE WALL, PER

S4.0

400S200-68 METAL STUD INSTALLED IN PAIRS

AT EPOXIED ANCHORS. ADD ADD'L METAL

STUDS AS REQ'D TO ACHIEVE 16" O.C. MAX

SPACING TO COMPLETE WALL ALONG

PERIMETER, SEE

S4.0

S4.0

A35 AT 6" OC, 4x6 TO (E) LVL

1 1/4"

1 1/2" 1 1/2" 1 1/2" 1 1/2"

1 1/2" 3/4"

3/4" STAGGER, TYP

SECTION A-A

OK TO REMOVE (E) BRICK UNITS OF (E)

PARTIAL BRICK COURSE AS NECESSARY

TO PROVIDE A UNIFORM BEARING

HEIGHT FOR 4x6

(E) DBL LVL

SDWS22600 AT 6" OC

SDS SCREW, TYP

L6x4x1/4 4x6

1" = 1'-0"

2ND FLOOR FRAMING AT BRICK WALL

DEDUCTIVE

ALTERNATE #7

DEDUCTIVE

ALTERNATE #6

Deductive Alternate A2 S4.5/501 North Wall

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A7 S4.4/403

Deductive Alternate A6 S4.4/402

DEDUCTIVE ALTERNATE

S4.5/501 A1 West Wall ,A2 North Wall, A3 East Wall

DEDUCTIVE

ALTERNATE #5 DEDUCTIVE

ALTERNATE #4

Deductive Alternate A3 S4.5/501 East Wall

Deductive Alternate A2 S4.5/501 North Wall

Deductive Alternate A1 S4.5/501 West Wall

Deductive Alternate A1 S4.5/501 West Wall

Deductive Alternate A3 S4.5/501 East Wall

Deductive Alternate A4 S4.5/502 North Wall

Deductive Alternate A5 S4.5/503 West Wall

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402 Deductive Alternate A6

S4.4/402

Deductive Alternate A6 S4.4/402

Deductive Alternate A6 S4.4/402

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