Laguna Creek Inter-Regional Trail Crossing at State Route 99 Project (WTL016) Construction Management Services

6 CONTROL OF MATERIALS
Replace the entirety of section 5 with section 5 of the City of Elk Grove Standard Construction
Specifications
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7 LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC
Replace the entirety of section 7 with section 6 of the City of Elk Grove Standard Construction
Specifications
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8 PROSECUTION AND PROGRESS
Replace the entirety of section 8 with section 7 of the City of Elk Grove Standard Construction
Specifications
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DIVISION II GENERAL CONSTRUCTION
12 TEMPORARY TRAFFIC CONTROL
Add to the beginning of section 12-3.32C:
Place PCMSs at the locations shown and in advance of the 1st warning sign for each:
1. Stationary lane closure
2. Shoulder closure
Add between the 9th and 10th paragraphs of section 12-3.32C:
Start displaying the message on the sign 15 minutes before closing the lane or shoulder or when directed
by the Engineer.
Replace section 12-3.22 with:
12-3.22 TEMPORARY CRASH CUSHIONS
12-3.22A General
12-3.22A(1) Summary
Section 12-3.22 includes specifications for installing, repairing, replacing, maintaining, and removing
temporary crash cushions.
12-3.22A(2) Definitions
Not Used

12-3.22A(3) Submittals
At least 10 days before installation, submit as informational submittal for each temporary crash cushion
model:
1. Certificate of compliance
2. Two copies of the following:
2.1. Manufacturer's installation and maintenance manual
2.2 Department approved manufacturer's drawings from the Department's Division of Safety
Programs website
3. Record of training provided by manufacturer for each person installing the temporary crash cushion
12-3.22A(4) Quality Assurance
12-3.22A(4)(a) General
Not Used
12-3.22A(4)(b) Quality Control
Temporary crash cushion must be installed under the manufacturer's instructions by personnel trained by
the manufacturer.
Keep a copy of the manufacturer's drawings, and installation and maintenance manual for each
temporary crash cushion model at the job site during installation.
12-3.22B Materials
12-3.22B(1) General
Temporary crash cushion must:
1. Be on the Authorized Materials List for highway safety features
2. Comply with MASH:
2.1. Test Level 3 (TL-3) for a posted speed limit 45 mph or greater
2.2. Test Level 2 (TL-2) for a posted speed limit less than 45 mph
Water-filled temporary crash cushion must:
1. Include all components required for attachment to temporary barrier or protected obstacle
2. Comply with the manufacturer's drawings shown on the Department's Division of Safety Programs
website
Each sand-filled temporary crash cushion module must be:
1. Colored standard yellow with a black lid
2. Free from structural flaws and objectionable surface defects
Sand for filling module must:
1. Be commercial quality, washed concrete sand
2. Contain no more than 5 percent water under California Test 226
3. Be clean when placed in the module
12-3.22B(2) Temporary Crash Cushions TL-3
Temporary crash cushion TL-3 must:
1. Comply with MASH TL-3
2. Be one of the following:
2.1. Water-filled temporary crash cushion gating, non-redirective system
2.2. Sand-filled temporary crash cushion module array
12-3.22B(3) Temporary Crash Cushions TL-2
Temporary crash cushion TL-2 must:
1. Comply with MASH TL-2

2. Be one of the following:
2.1. Water-filled temporary crash cushion gating, non-redirective system
2.2. Sand-filled temporary crash cushion module array
12-3.22C Construction
12-3.22C(1) General
When activities expose traffic to fixed obstacles, protect traffic from the obstacles with temporary crash
cushions.
You may use NCHRP Report 350 compliant temporary crash cushions before December 31, 2026.
Install temporary crash cushions under the manufacturer's instructions before:
1. Starting activities requiring the crash cushions.
2. Opening to traffic lanes adjacent to the protected obstacles.
Temporary crash cushions must not impede the flow of traffic or encroach on the traveled way.
Attach a Type R or Type P marker panel to the front of temporary crash cushions if the closest point to
the traveled way is within 12 feet of the traveled way. Fasten marker panels firmly to crash cushions with
commercial quality hardware or by other authorized methods.
Maintain temporary crash cushions in place at each location, including when work is not in progress.
Keep the area behind the temporary crash cushions clear of obstructions.
Repair damaged temporary crash cushions immediately. Remove and replace temporary crash cushions
damaged beyond repair. Repair and replacement of temporary crash cushions damaged by traffic is
change order work.
12-3.22C(2) Water-Filled Temporary Crash Cushions
Place temporary crash cushions and a minimum 20 feet of temporary barrier at a parallel 2-foot offset
from edge of traveled way.
Install temporary crash cushions adjacent to a:
1. Barrier at an offset distance 1 to 2 feet or 7 feet or greater from the barrier
2. Dike or curb at an offset distance 0 to 4 feet or 7-1/2 feet or greater from the dike or curb
12-3.22C(3) Sand-Filled Temporary Crash Cushions
Do not use sand-filled temporary crash cushions for permanent installations.
Use the same type of sand-filled modules for each array. Fill each sand-filled module with sand under the
manufacturer's instructions.
Securely fasten the top edge of a seal to the wall of the sand-filled module with a continuous strip of
heavy-duty tape, when a seal is required.
You may place sand-filled temporary crash cushion modules on movable pallets or frames complying with
the dimensions shown. The pallets or frames must provide a full-bearing base beneath the modules. Do
not move the modules and supporting pallets or frames by sliding or skidding along the pavement or
bridge deck.
Attach a Type R marker panel such that the top of the panel is 1 inch below the module lid. Attach a Type
P marker panel such that the bottom of the panel rests upon the roadway surface or pallet surface when
used.
You may remove sand-filled modules during the work shift for access to the work area if the exposed
fixed obstacle is 15 feet or more from the nearest lane carrying traffic. Reset the modules before the end
of the work shift.
A lateral move of a temporary crash cushion module is change order work if ordered and the repositioning
is not shown.

Remove sand-filled temporary crash cushion modules, including sand, pallets or frames, and marker
panels, at Contract acceptance.
12-3.22D Payment
The payment quantity does not include:
1. Temporary crash cushions placed for public safety
2. Modules placed in excess of the number described
Replace section 12-3.36 with:
12-3.36 PORTABLE TRANSVERSE RUMBLE STRIPS
12-3.36A General
12-3.36A(1) Summary
Section 12-3.36 includes specifications for providing portable transverse rumble strips.
12-3.36A(2) Definitions
Not Used
12-3.36A(3) Submittals
Submit a copy of the manufacturer's instructions as an informational submittal before using portable
transverse rumble strips.
12-3.36A(4) Quality Assurance
Not Used
12-3.36B Materials
Portable transverse rumble strips must:
1. Be on the Authorized Material List for signing and delineation materials
2. Be rated for ambient temperatures from 0 to 150 degrees F
3. Have a minimum weight of 75 pounds and withstand vehicles up to 80,000 pounds with minimal
movement
4. Not degrade due to weather or traffic conditions
5. Have a non-slip textured surface
6. Have a drainage design that efficiently removes liquid without displacing the unit
7. Be black or orange in color
12-3.36C Construction
Install portable transverse rumble strips under the manufacturer's installation instructions.
Before installation of portable transverse rumble strips, the roadway must be cleaned and free of dust,
sand, and other materials that may cause slippage. Place each portable transverse rumble strip on a
uniform paved surface free of defects, including potholes, excessive rutting, separated transverse joints,
and utility structures.
Portable transverse rumble strips, whether comprised of one segment or interlocking segments, must
extend to the full lane width, and be configured in accordance with the manufacturer's recommendations.
Use 2 arrays where each array consists of 3 rumble strips.
Portable transverse rumble strips must not be placed at any of the following locations:
1. On sharp horizontal curves
2. On vertical curves
3. Through pedestrian crossings
Portable transverse rumble strips are not required if:
1. Duration of work in a work zone is 4 hours or less

2. Posted speed limit is below 45 mph
3. Work is of emergency nature
4. Work zone is in snow or icy weather conditions
Portable transverse rumble strips must be installed without adhesive or bolts.
When a portable transverse rumble strip consists of multiple sections, connect sections under the
manufacturer's instructions before placing them in the traffic lane.
If a portable transverse rumble strip is displaced out of alignment or skewed by more than 6 inches, as
measured from one end to the other, immediately readjust position to original location.
Portable transverse rumble strips that no longer provide audible or vibratory alerts must be replaced
immediately.
12-3.36D Payment
Not Used
Add between the 1st and 2nd paragraphs of section 12-4.02A(3)(c):
Submit a contingency plan for each of the following activities:
1. Activity requiring a complete roadway closure.
2. Bridge work
3. Placement of bar reinforcing steel or structural members.
4. Falsework erection or removal, including adjustments
5. HMA paving
6. Striping
Add to the end of section 12-4.02C(1):
Keep the full width of the traveled way open to traffic when no active construction activities are occurring
in the traveled way or within 6 feet of the traveled way.
For each 10-minute interval or fraction thereof past the time specified to open the closure, the amount for
liquidated damages per interval shown in the table below is deducted. Liquidated damages are limited to
5 percent of the total bid per occurrence. Liquidated damages are not assessed if the Engineer orders the
closure to remain in place beyond the scheduled pickup time.
Liquidated
Type of facility Route Direction or segment Period
damages/interval
Mainline 99 SB/NB 1st half hour $1,000 /10 minutes
2nd half hour $1,447 /10 minutes
2nd hour and beyond $1,930 /10 minutes

Add to the end of section 12-4.02C(3)(a):
If work vehicles or equipment is parked on the shoulder within 6 feet of a traffic lane of a freeway or
expressway, close the shoulder area as shown.
If work vehicles or equipment are parked on the shoulder within 6 feet of a traffic lane onCity Streets,
close the shoulder area with fluorescent-orange traffic cones or portable delineators. Place the cones or
delineators on a taper in advance of the parked vehicles or equipment and along the edge of the traveled
way at 25-foot intervals to a point not less than 25 feet past the last vehicle or piece of equipment. Use at
least 9 cones or delineators for the taper. Place advance warning signs as specified in section 12-
4.02C(8).
Keep a minimum of 1 paved traffic lane at least 11 feet wide open for traffic in each direction of travel.
Replace section 12-4.02C(3)(b) with:
12-4.02C(3)(b) Complete Freeway or Expressway Closure Requirements
You may close Route 99, to traffic at 1 location at a time in each direction of travel at a time as shown on
charts H1, H2, M3, M4 .
A complete freeway or expressway closure is allowed for the following activities:
1. Falsework erection, removal, and adjustment
2. Girder erection
Erect and remove falsework at 1 location and at 1 span at a time. During falsework erection and removal,
detour the traffic in the lanes over which falsework is being erected or removed.
Replace section 12-4.02C(3)(f) with:
12-4.02C(3)(f) Closure Restrictions for Designated Holidays and Special Days
Closure restrictions for designated holidays and special days are shown in the following table:

Lane Closure Restrictions For Designated Holidays And Special Days
Thu Fri Sat Sun Mon Tues Wed Thu Fri Sat Sun Mon
H
x xx xx xx
SD
xx
H
x xx xx xx
SD
xx
H
x xx xx xx
SD
xx
H
x xx xx xx xxx
SD
x xx xx xx xxx
H
x xx
SD
x xx
H
x xx
SD
xx
H
x xx xx xx xx
SD
xx
Legend:
Refer to lane requirement charts.
x The full width of the traveled way must be open for use by traffic after 0600 hours.
xx The full width of the traveled way must be open for use by traffic.
xxx The full width of the traveled way must be open for use by traffic until 1900 hours.
H Designated holiday
SD Special day

Replace section 12-4.02C(3)(g) with:
12-4.02C(3)(g) Freeway Lane Requirement Charts
Freeway lane closures must comply with the requirements shown in the following charts:
Chart No. G1
Freeway Lane Requirements
County: Sac Route/Direction: 99/SB Post Mile: 14.3 / 14.4
Closure limits:
PM 14.3 / 14.4
Hour 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Mon- 2 2 2 2 2 2 2 2
Thu
Fri 2 2 2 2 2 2
Sat 2 2 2 2 2 2 2 2 2 2 2
Sun 2 1 1 1 1 1 2 2 2 2 2
Legend:
1 Provide at least 1 through freeway lane open in the direction of travel.
2 Provide at least 2 adjacent through freeway lanes open in the direction of travel.
Work is allowed within the highway where a shoulder or lane closure is not required.
REMARKS:
1. There are at least 3 existing lanes available in the direction of travel.
2. 3-Axle vehicles may only access/exit the work zone when the adjacent lane is closed during
approved lane closure hours.
3. Shoulder closures will be allowed during the hours of adjacent lane closure.

Chart No. G2
Freeway Lane Requirements
County: Sac Route/Direction: 99/NB Post Mile: 14.3 / 14.4
Closure limits:
PM 14.3 / 14.4
Hour 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Mon- 1 1 1 2 2 2 2 2 2
Thu
Fri 1 1 1 2 2 2 2 2 2
Sat 2 2 1 1 1 1 2 2 2 2 2 2 2 1
Sun 1 1 1 1 1 1 1 2 2 2 2 2 2 1
Legend:
1 Provide at least 1 through freeway lane open in the direction of travel.
2 Provide at least 2 adjacent through freeway lanes open in the direction of travel.
Work is allowed within the highway where a shoulder or lane closure is not required.
REMARKS:
1. There are at least 3 existing lanes available in the direction of travel.
2. 3-Axle vehicles may only access/exit the work zone when the adjacent lane is closed during
approved lane closure hours.
3. Shoulder closures will be allowed during the hours of adjacent lane closure.