610.01 610-1 SECTION 610 MEDIAN COVER MATERIAL DESCRIPTION
610.01 This work consists of the construction of median cover over the median area, or over
other areas designated, per these specifications and in conformity with the lines and grades shown on the plans or established. MATERIALS
610.02 Bituminous median cover material shall conform to the requirements of Section 403
and as shown on the plans. Concrete shall be Class B and shall conform to Section 601. Coloring agent, if required, shall be as shown on the plans or specified. Aggregate for median cover shall conform to the requirements of subsection 703.10. Plastic sheeting shall be black polyethylene with a minimum thickness of 10 mils or approved equal. Herbicides shall conform to the requirements of Section 217. CONSTRUCTION REQUIREMENTS
610.03 Median cover operations shall not be started until the underlying surface has been
compacted, smoothed and, if required, treated with herbicides. Other requirements are as follows:
a.Bituminous Median Cover Material . Bituminous median cover material shall be placed in conformance with the requirements of subsection 608.04(c).
b.Concrete. Construction requirements shall conform to the requirements of subsection
608.03 The surface finish or pattern shall be as shown on the plans or per the recommendations
of the supplier of the median cover material.
c.Stone. Areas to receive stone median cover shall be treated, if required, with an approved herbicide treatment per Section 217 or as directed. Immediately after the placement of the herbicides, the plastic sheeting and stones shall be placed per details shown on the plans, or as specified. METHOD OF MEASUREMENT
610.04 Bituminous median cover material will be measured by the number of tons of
bituminous material placed and accepted. Concrete median cover material will be measured by the square foot of surface placed and accepted. Stone median cover material will be measured by the number of tons of aggregate placed and accepted. 610.05 610-2 BASIS OF PAYMENT
610.05 The accepted quantities will be paid for at the contract unit price for each of the
pay items listed below that appear in the bid schedule. Payment will be made under: Pay Item Pay Unit Median Cover Material (Bituminous) Ton Median Cover Material (Concrete) Square Foot Median Cover Material (Patterned Concrete) Square Foot Median Cover Material (Stone) Ton Herbicide treatment will be measured and paid for per Section 217. Subgrade compaction and plastic sheeting will not be measured and paid for separately but shall be included in the work. 611.01 611-1 SECTION 611 CATTLE GUARDS DESCRIPTION
611.01 This work consists of the construction of cattle guards per these specifications and in
conformity with the lines, grades, and details shown on the plans or established. MATERIALS
611.02 Concrete shall conform to the requirements of Section 601. Reinforcing steel shall
conform to the requirements of Section 602. Structural steel shall conform to the requirements of Section 509. Timber shall conform to the requirements of Section 508. Fencing items shall conform to the requirements of Section 607. CONSTRUCTION REQUIREMENTS
611.03 Cattle guards shall be constructed per the details shown on the plans. All work shall be
done per the applicable construction methods contained in these specifications. METHOD OF MEASUREMENT
611.04 Cattle guards will be measured by the number of units of the various sizes installed and
accepted. BASIS OF PAYMENT
611.05 The accepted quantities of cattle guards of the various sizes will be paid for at the
contract unit price each when included in the bid schedule. Payment will be made under: Pay Item Pay Unit _____Cattle Guard Each
Source: Colorado Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 635–636 of 943.