Standard_Plans.pdf
PDF 5 MB Posted
- Solicitation number
- 25-813-9921
- Issued by
- Santa Clara County, California
About this file
Summary of Standard Plans Document
This is a Standard Plans document for the Town of Los Gatos related to the 2026 Annual Curb, Gutter, and Sidewalk Maintenance Project #25-813-9921. The document provides detailed technical specifications and installation requirements for concrete work, tree planting, and sign installation associated with municipal infrastructure maintenance. The project scope includes removal and replacement of approximately 1,526 linear feet of curb and gutter, 8,087 square feet of sidewalk, 635 square feet of driveway approaches, installation of 46 curb ramps, tree planting work, and sign and post installation throughout the Town. All work must be completed within 56 calendar days from the Notice to Proceed. Electronic bids are due by Tuesday, March 17, 2026, at 2:00 p.m. via the Town's procurement portal at https://procurement.opengov.com/portal/losgatosca. A pre-construction conference will be required following contract execution, and the contractor must submit a detailed baseline schedule using critical path methodology within ten days of the Notice to Proceed.
The concrete work specifications require Class A concrete with one pound of lamp black per cubic yard, expansion joints with ½-inch x 12-inch slips, dowels at 20-foot intervals, and Class II aggregate base with 95 percent maximum compaction per ASTM D1557. Tree planting specifications mandate 15-gallon minimum stock with 1½-inch caliper and 7-8 feet height, approval by the Town Arborist, and specific planting procedures including U.C. Agricultural mix backfill and Agriform planting tablets. Sign installation requirements specify 30x30 inch minimum size signs with 3M Diamond Grade VIP reflective sheeting, galvanized steel posts with powder-coat black finish, and 7-foot minimum height clearance from grade. The estimated construction cost is $820,000, with bid security equal to ten percent of the maximum bid amount required. Contractors must possess a valid California Class A or C-8 contractor's license, register with the California Department of Industrial Relations, and comply with prevailing wage requirements. A five percent retention will be withheld from all progress payments, and liquidated damages of $3,000 per day are assessed for unexcused delays beyond the completion date.
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Text version
18" 18"
1/4" 1 1/2" 6"
NOTES:
1. EXPANSION JOINTS WITH 1/2" x 12" SLIP.
2. DOWELS AT 20 FEET INTERVALS.
3. CONCRETE SHALL BE CLASS A.
4. ALL CONCRETE SHALL INCLUDE ONE (1)
POUND OF LAMP BLACK PER CUBIC YARD
OF CONCRETE.
AGGREGATE BASE CLASS II 95%
MAX. COMPACTION ASTM D1557
6"
NOT TO SCALE
6"
3"3"
NO 4 REBAR
PLAN VIEW
6"
V A
R
IE
S
1' M
IN
6' M
IN
5' M
IN
4' MIN.
1' 1/2" DIA BLACK RUBBER HOSE
(3) 2" DIAMETER PRESSURE TREATED
12 GA. WIRE, TWIST TO TIGHTEN
SHOVEL CUT ALL SIDES OF PIT
2" DEPTH MULCH AS SPECIFIED
RECOMPACTED NATIVE SOIL
PLANTING MIX
1'
PULL BURLAP OFF TOP 1/3
OF ROOT BALL
CENTER TREE IN PIT
3" WATER BASIN
POLES - TYP.
TYP.
BY PARKS SUPERINTENDENT.
TREE TYPE SHALL BE DETERMINED
NOTES
NOT TO SCALE
6" M
A X
B E
LO
W
M A
IN
F
O R
K O
R B
R A
N C
H
R O
O T
B A
R R
IE
R
PLANT TREES 4" HIGHER THAN DEPTH AT
WHICH GROWN IN NURSERY. AVOID
DAMAGE TO ROOTS. AVOID ROOTBALL
WHEN PLACING STAKES.
of large roots will encourage new roots initiating at the cuts.
TREE SPECIFICATIONS
All planting stock must must have the approval of the Town Arborist.
Any exception to the above must be approved by the Town Arborist.
Minimum spread of 2 - 3 feet.
CALIPER: 1-1/2 inches, measured 6 inches from the base.
HEIGHT: 7 - 8 feet high planted in the ground.
All 15 gal. trees must meet the following minimum specifications:
Use the remaining native soil to create a basin appropriate shovel handle as you fill. Be careful not to disturb the Fill around the rootball with backfill and pack the soil with the of the rootball. Do not pull the rootball apart. The severing compacted, carefully loosen the roots at the side and bottom with sharp shears or knife. If the rootball is dense or it from below. Sever any circling roots (3/16 inch or greater) Remove the rootball carefully from the container by supporting spacing. Tablets shall be 21 grams each with a guaranteed Place 3 Agriform Planting Tablets per tree at equidistant
Fill hole with the backfill mix to a level 1 inch below the curb.
Ag. mix shall be combined with existing soil, 1/3 mix, 2/3 and replaced with U.C. Ag. mix or approved equivalent. U.C.
The existing soil area is to be removed to a depth of 2 feet
Provide a 6 inch minimum clearance all around the rootball.
deep as the container in which the plant was delivered.
Dig the hole twice as large in diameter and 1-1/2 times as
PLANTING SEQUENCE
native soil.
to the site.
rootball itself.
test analysis of 20-10-5.
7.
6.
5.
4.
3.
BRANCHING NEED:
2.
1.
3.
1.
2.
CONCRETE
POUR
7/16" PUNCHED
KNOCKOUTS
TWO OPPOSITE
SIDES FROM 7'
ABOVE
SIDEWALK
TAMPER
PROOF DRIVE
RIVET (TYP)
7' -0
M
IN
(SEE STD. PLAN 448
SQ. TUBE SLEEVE
SQ. TUBE ANCHOR
FILLET WELD ALL AROUND
2 1/2" x 2 1/2" x 12 GA
2 1/4" x 2 1/4" x 12 GA
END CUT
PENETRATOR
FOR SIGN POST NOTES)
DRIVE RIVETS
2 TAMPER PROOF
6"
STEEL POST
1 3/4" SQ. GALVANIZED
6" MIN.
SIGN
D
SIGN
S E
LE
C
T P
U N
C H
E D
O N
B O
T H
S
ID
E S
SIGN INSTALLATION
DETAIL
E
SIGN
PER M.U.T.C.D.
INSTALLATION.
NOTES:
SHALL BE AS SHOWN ON THE PLANS AND
THE NEAR EDGE OF SIGN. SIGN LOCATION
CLEARANCE FROM THE FACE OF CURB TO
GRADE, OR TOP OF CURB, AND A 2' LATERAL
THE NEAR EDGE OF SIGN TO THE SIDEWALK
2 SIGNS SHALL HAVE A MIN. HEIGHT OF 7' FROM
CORE DRILLED BEFORE ATTEMPTING SIGN
1 SIDEWALKS AND PAVED AREAS SHALL BE
EQUIVALENT. POST SHALL BE POWDER-COATED BLACK.
(ASTM A70 GRADE 33) OR APPROVED
SELECT PUNCH TYPE GALVANIZED STEEL
4 ALL TUBING MATERIAL SHALL BE "ULTI-MATE"
a. REGULATORY AND WARNING SIGNS SHEETING
BY 3M TRAFFIC CONTROL MATERIALS DIVISION.
3 REFLECTIVE SHEETING SHALL BE MANUFACTURED
SHALL BE 3M DIAMOND GRADE VIP TYPE
MATERIAL OR EQUIVALENT. SIZE OF SIGNS SHALL BE NO
LESS THAN 30x30 UNLESS SPECIFIED BY THE TOWN
ENGINEER.
SIGN POST NOTES:
CONFORMING TO STANDARD SPECIFICATIONS FOR STEEL
5 TUBING SHALL BE ROLL FORMED FROM STEEL
SHEET, A.S.T.M. DESIGNATION A653-94, STRUCTURAL
QUALITY, GRADE 50 MODIFIED TO GRADE 55.
TREATMENT FOR ENHANCED CORROSION PROTECTION.
6 MATERIAL SHALL BE HOT-DIP GALVANIZED (ZINC COATED),
COATING DESIGNATION G-90, WITH ADDED CHEMICAL
AND WELDED SO AS THE WELD FLASH DOES NOT
TUBING, CAREFULLY FORMED FROM 14 GA. STEEL SHEET
7 THE CROSS SECTION OF THE POST SHALL BE SQUARE
INTERFERE WITH THE TELESCOPING PROPERTIES. SIZE OF
8 HOLE DIAMETER SHALL BE 7/16" (PLUS OR MINUS 1/64")
ON 1" CENTERS ON TWO OPPOSITE SIDES. HOLES SHALL BE
ON CENTERLINE OF EACH SIDE IN TRUE ALIGNMENT AND
OPPOSITE TO EACH OTHER. TOLERANCE ON THE HOLE
SPACING IS PLUS OR MINUS 1/8" IN 20'. FIRST SET OF HOLES
SHALL BE 1/2" FROM THE TOP OF THE ANCHOR. ANCHOR
SHALL HAVE EITHER 6 OR 12 SETS OF HOLES. THE BOTTOM
OF THE ANCHOR SHALL HAVE A PENETRATOR POINT.
POST SHALL BE 1.75" x 1.75".
9 CONCRETE SHALL BE POURED AROUND POST.
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