Standard_Plans.pdf
PDF 5 MB Posted
- Solicitation number
- 25-813-9921
- Issued by
- Santa Clara County, California
About this file
This Standard Plans document provides technical specifications and installation details for the Town of Los Gatos' 2026 Annual Curb, Gutter, and Sidewalk Maintenance Project #25-813-9921. The document includes detailed construction standards for concrete work, tree planting, and sign installation. Concrete specifications require Class A concrete with one pound of lamp black per cubic yard, expansion joints with 1/2" x 12" slip at specified intervals, and dowels placed at 20-foot intervals, with an Aggregate Base Class II compacted to 95% maximum per ASTM D1557. Tree planting requirements specify 15-gallon trees with a minimum caliper of 1-1/2 inches and height of 7-8 feet, planted 4 inches higher than their nursery depth, with installation requiring 3 Agriform Planting Tablets (21 grams each, 20-10-5 analysis) placed equidistant in the planting pit. All planting stock requires approval from the Town Arborist. Electronic bids are due by Tuesday, March 17, 2026, at 2:00 pm via the Town's bidding portal at https://procurement.opengov.com/portal/losgatosca.
Sign installation standards specify regulatory and warning signs with a minimum 30" x 30" size using 3M Diamond Grade VIP reflective sheeting material. Sign posts must be 1.75" x 1.75" square, galvanized steel conforming to ASTM A653-94, Grade 55, with hot-dip zinc coating (G-90 designation), powder-coated black, and positioned with a minimum 7-foot height from grade to the near edge of sign and 2-foot lateral clearance from curb face. The specifications include detailed anchor requirements with 7/16" punched knockouts on 1-inch centers with tolerance of plus or minus 1/8" in 20 feet, either 6 or 12 sets of holes, and a penetrator point at the anchor bottom. All work must comply with the Manual on Uniform Traffic Control Devices (MUTC.D.) installation standards and Town Engineer specifications.
View the file
Other files
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
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.
File details come from the government source that posted it. Updated .