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610.11 Stone Blanket C u b i c Y a r d
610.16 Heavy Riprap C u b i c Y a r d
610.18 Stone Ditch Protection C u b i c Y a r d
SECTION 611 - Reserved SECTION 612 - BITUMINOUS SEALING
612.01 Description This work shall consist of sealing bitumin ous mix surfaces with
emulsified bituminous sealing compound of the specified color, applied at locations shown on the plans or designated.
612.02 Materials Bituminous material for sealing shall confor m to the requirements
of Emulsified Bituminous Sealing Compound, Section 702.12.
612.03 General The sealing compound shall be applied in two c oats. The first coat
shall be diluted by the addition of up to 50% water to a liquid consistency and applied with brooms or other approved methods at a rate of 0.25 gal to 0.50 gal of diluted sealer per square yard. The second coat shall be diluted only to the exte nt necessary to obtain workability and applied at a rate of 0.25 gal to 0.50 gal of di luted sealer per square yard.
612.04 Method of Measurement Bituminous sealing will be measu red by the square
yard of surface sealed measured parallel to the surface.
612.05 Basis of Payment The accepted quantities of bituminous sealing will be paid
for at the contract unit price pe r square yard complete in plac e. Pay Item Pay Unit
612.06 Bituminous Sealing-Black S q u a r e Y a r d
SECTION 613 - EROSION CONTROL BLANKETS
613.01 Description This work shall consist of furnishing and installing erosion
control blankets on previously prepared areas in accordance wit h the manufacturer instructions or as called for on the plans or otherwise authori zed. Erosion control blankets shall be installed on critical slopes, shoulder berms, esplanade strips, curb sections, in ditches and drainage ways, and other previously prepared areas or as shown. 6-45
613.02 Materials Erosion control blanket shall conform to the requirements
specified in the following Sections of Division 700 - Materials . Erosion Control Blankets 717.061 Ground Anchors 717.063
613.03 Site Preparation The area for erosion control blankets shall be prepared as
follows: Soil must be loose or scarified, smoothly raked and free of sto nes, litter, and any abrupt ground surface roughness under the blanket.
613.04 Seeding All seed shall be sown before installing erosi on control blankets.
No loam will be required for Seeding, unless called for on plan s or designated. Seeding, Method Number 2 will be used unless otherwise specified.
613.05 Installation On Slopes and in ditches, blankets shall be aligned in the
direction of water flow and al ong the contours of berms. The u phill end of blanket shall be anchored in a trench no less than 6 inches deep and overlapped on the adjoining ends no less than 3 inches. Parallel strips shall be overlapped 4 inches on the sides. Approved anchor staples shall be placed at a maximum spacing of 3 feet on cente r or as required by the manufacturer, whichever is closer.
613.08 Method of Measurement Erosion control blanket will be measured by the
square yard based on the width and length of the blanket measur ed on the ground.
613.09 Basis of Payment Erosion control blankets of the type specified will be paid
for at the contract unit price pe r square yard complete in plac e and accepted. Such payment shall be full compensation for furnishing and installing the bl ankets and initial seeding under blanket in accordance with this specification and for all requi red maintenance. Payment will be made under: Pay Item P a y U n i t 613.319 Erosion Control Blanket S q u a r e Y a r d SECTION 614 - GEOCELL SLOPE PROTECTION
614.01 Description This work shall consist of designing, furn ishing and placing a
Geocell Slope Protection System, in reasonably close conformity with the lines and grades shown on the Plans, as specified herein, and as directed by the Resident. The Geocell Slope Protection System consists of subgrade preparation, non-woven e rosion control geotextile, geocell material into which select infill material is placed, i nfill material, anchors, and