16 TEMPORARY FACILITIES
16-1 General
16-1.01 General
Section 16 -1 includes general specifications for constructing temporary facilities . Constructing temporary facilities includes placing temporary devices.
16-1.02 Materials
You may use used materials fo r temporary facilities if the used materials comply with the specifications for new materials.
16-1.03 Construction
Maintain temporary facilities until they are no longer needed. Excavate and backfill as necessary to remove temporary facilities. Backfill with materials of equal or better quality and to a comparable density of the surrounding materials and grade the surface to match the existing grade and cross slope. Dispose of temporary facilities when they are no longer needed.
16-1.04 Payment
Not Used
16-2 Miscellaneous Temporary Facilities
16-2.01 General
16-2.01A General
Section 16 -2 includes specifications for constructing miscellaneous temporary facilities . Miscellaneous temporary facilities include temp orary facilities that apply to multiple sections or are not closely associated with other sections.
16-2.01B Materials
Not Used
16-2.01C Construction
Not Used
16-2.01D Payment
Not Used
16-2.02 Temporary Pedestrian Facilities
16-2.02A General
16-2.02A(1) Summary
Section 16 -2.02 includes specifications for constructing temporary pedestrian facilities with a protective overhead covering. Temporary pedestrian facilities must comply with the California MU TCD, Part 6, Chapter 6D, "Pedestrian and Worker Safety." Lighting must comply with the specifications for falsework lighting in section 48.
16-2.02A(2) Definitions
Reserved
16-2.02A(3) Submittals
Submit shop drawings and supporting calculations for tempo rary pedestrian facilities with a protective overhead covering. Shop drawings and calculations must be signed by an engineer who is registered as a civil engineer in the State. SECTION 1 6 TEMPORARY FACILITIES
16-2.02A(4) Quality Assurance
Reserved
16-2.02B Materials
16-2.02B(1) Genera l
The walkway must be surfaced with asphalt concrete, commercial -quality concrete, or wood. The surface must be skid resistant and free of irregularities. Hand railings must be S4S lumber and painted white. The protective overhead covering of a temporary p edestrian facility must be plywood at least 3/4 inch thick or wood planking with a nominal minimum thickness of 2 inches.
16-2.02B(2) Design Requirements
Design a temporary pedestrian facility with a protective overhead covering to support all imposed loa ds. The design load and maximum allowable stresses for a temporary pedestrian facility with protective overhead covering must comply with section 48 -2.02B. The minimum design live load for a temporary pedestrian facility with a protective overhead covering must be 150 psf for the entire structure.
16-2.02C Construction
If the temporary pedestrian facility is adjacent to traffic or work activities, place a temporary barrier to separate the facility from vehicles and equipment. Construct handrails on each si de of a temporary pedestrian facility as necessary to channelize and protect pedestrians. Handrails must be continuous smooth and free of sharp or rough edges. Provide an overhead covering, to protect pedestrians. Extend overhead protection for pedestrians at least 4 feet beyond the edge of the work above. Illuminate pedestrian openings through falsework at all times. The minimum width between the inside face of the handrails must be at least 60 inches. In areas where a width of 60 inches is not feasible, t he width must be at least 48 inches wide with a 60 by 60 inch passing space at least every 200 feet. The clear height of the facility measured from the floor surface to the canopy overhead must be at least 8 feet but not greater than 10 feet. Temporary ped estrian facilities must comply with section 12 -4.04C.
16-2.02D Payment
Not Used
16-2.03 Temporary High -Visibility Fences
16-2.03A General
16-2.03A(1) Summary
Section 16 -2.03 includes specifications for constructing temporary high-visibility fences . Constructing a temporary high-visibility fence includes the installation of any signs spec ified in the special provisions.
16-2.03A(2) Definitions
Reserved
16-2.03A(3) Submittals
Submit a certificate of compliance for the high -visibility fabric.
16-2.03A(4) Quality Assurance
Reserved
16-2.03B Materials
High-visibility fabric must be manufactured from polypropylene, polyethylene, or a combination of both. Identify, stor e, and handle the fabric under ASTM D4873. SECTION 1 6 TEMPORARY FACILITIES The fabric must be orange, contain UV inhibitors, and have a width of at least 48 inches and openings from a minimum 1 by 1 inch to a maximum 2 by 4 inches . The minimum roll weight for a 4 -by-100-foot roll of fabr ic must be 12 lb. Posts must be either wood or steel. Each wood post must:
1.Be untreated fir, redwood, cedar, or pine and cut from sound timber
2.Be straight and free from loose or unsound knots or other defects that would make it unfit for use
3.Have a cross section of at least 2 by 2 inches
4.Have a length of at least 6 feet
5.Have a pointed bottom end Each steel post must have:
1.U, T, L, or other cross -sectional shape that resists failure from lateral loads.
2.Weight of at least 3/4 lb/ft.
3.Length of at least 6 feet.
4.Pointed bottom end.
5.Safety cap attached to the exposed end. The cap must be orange or red plastic and fit snugly to the post.
16-2.03C Construction
Install posts at a maximum 8 -foot center -to-center spacing. Embed each post in the ground at least 16 inches. Attach fabric to wood posts with nails or staples. Attach fabric to steel posts with tie wires or locking plastic fasteners at a maximum spacing of 8 inches. Maintain posts in a vertical position. Reattach any detache d fabric. Replace any damaged fabric.
16-2.03D Payment
Not Used
16-2.04 Temporary Construction Mats
16-2.04A General
16-2.04A(1) General
16-2.04A(1)(a) Summary
Section 16 -2.04A includes general specifications for constructing temporary construction ma ts.
16-2.04A(1)(b) Definitions
Reserved
16-2.04A(1)(c) Submittals
Submit a schedule for the placement and removal of the mats. Include the location, mat type, and placement and removal dates for each locatio n. Describe the method of installing and removing the mats.
16-2.04A(1)(d) Quality Assurance
Reserved
16-2.04A(2) Materials
A temporary construction mat must be manufactured (1) for use as a temporary roadway, (2) to protect the ground without ground pre paration, and (3) to prevent permanent damage and minimize temporary damage to a wetland. SECTION 1 6 TEMPORARY FACILITIES
16-2.04A(3) Construction
The mats must provide a continuous cover over the wetlands. Seal openings around any columns or other obstacles. Obtain authorization for the seals. Mats must be free from soil, seeds, or other organic or hazardous material before entering the work area. Conduct temporary installation activities on the mats or outside of wetlands. Do not install mats whenever the National W eather Service predicts at least a 50 percent probability of precipitation within 72 hours. Clean debris from the mats daily. Inspect the mats and immediately replace or repair damaged or broken mats. When no longer needed, move mats to a washout location and clean them before removing them from the job site. The washout location must be outside of wetlands and ESAs and inside the cleared work area where wash water and other material will not enter any wetlands, streams, or ESAs.
16-2.04A(4) Payment
Not Us ed
16-2.04B HDPE Mats
16-2.04B(1) General
Section 16 -2.04B includes specifications for constructing HDPE temporary construction mats.
16-2.04B(2) Materials
An HDPE mat must:
1.Be made of HDPE
2.Be at least 4 feet wide by 8 feet long and 1/2 inch thick
3.Have a load -bearing capacity of at least 60 tons
16-2.04B(3) Construction
Not Used
16-2.04B(4) Payment
Not Used
16-2.04C 16-2.04G Reserved
16-2.05 Job Site Water Control
16-2.05A General
16-2.05A(1) General
Section 16 -2.05 includes specifications for controlling water to provide a dry working area at the job site .
16-2.05A(2) Materials
Not Used
16-2.05A(3) Construction
Not Used
16-2.05A(4) Payment
Not Used
16-2.05B Water -Filled Cofferdam
Reserved
16-2.05C 16-2.05G Reserved
16-3 16-10 Reserved
Source: California Standard Specifications, 2024 Edition. Pages 275–278 of 1,372.