Community College of Allegheny County OCS Security Camera System Pittsburgh, PA
PART 3 - EXECUTION
3.1
PREPARATION
A. Coordinate layout and installation of duct, duct bank, manholes, handholes, and boxes with final arrangement of other utilities, site grading, and surface features as determined in field. Notify Architect if there is conflict between areas of excavation and existing structures or archaeological sites to remain. B. Coordinate elevations of duct and duct-bank entrances into manholes, handholes, and boxes with final locations and profiles of duct and duct banks, as determined by coordination with other utilities, underground obstructions, and surface features. Revise locations and elevations as required to suit field conditions and to ensure that duct and duct bank will drain to manholes and handholes, and as approved by Architect. C. Clear and grub vegetation to be removed, and protect vegetation to remain. Remove and stockpile topsoil for reapplication.
3.2
SELECTION OF UNDERGROUND DUCTS
A. Duct for Electrical Branch Circuits: PVC-40, direct buried unless otherwise indicated. B. Underground Ducts Crossing Paved Paths Walks and Driveways: PVC-40 encased in reinforced concrete. C. Underground Ducts Crossing Roadways: PVC-40, encased in reinforced concrete. D. Stub-ups: Concrete encased, PVC-40.
3.3
SELECTION OF UNDERGROUND ENCLOSURES
A.
Handholes and Boxes: 1. Units in Roadways and Other Deliberate Traffic Paths: Precast concrete, AASHTO HB 17, H-20 structural load rating. 2. Units in Driveway, Parking Lot, and Off-Roadway Locations, Subject to Occasional, Nondeliberate Loading by Heavy Vehicles: Polymer concrete, SCTE 77, Tier 15 structural load rating.
3.4
EARTHWORK
A. Restoration: Restore area after construction vehicle traffic in immediate area is complete. B. Restore surface features at areas disturbed by excavation, and re-establish original grades unless otherwise indicated. Replace removed sod immediately after backfilling is completed.
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