HomeMy WebLinkAboutSection 15108 Handhole and Boxes15108 HANDHOLE AND BOXES
Part 1 GENERAL
1.01 RELATED DOCUMENTS
All applicable provisions of bidding and Contract requirements including
Division 1- General requirements, shall govern the work under this section.
1.02 SUMMARY
A. This Section includes handholes and, boxes, for utility conduits.
1.03 SUBMITTALS
A. Contractor shall submit shop drawings and related information to the
ENGINEER for approval in accordance with section 01300.
Part 2 PRODUCTS
2.01 HANDHOLES AND BOXES DESCRIPTIONS FOR UNDERGROUND
CONDUITS
A. Configuration: Units shall be designed for flush burial and have
integral closed bottom, unless otherwise indicated
B. Cover: Weatherproof, secured by tamper-resistant locking
devices and having structural load rating consistent with
enclosure.
C. Cover Finish: Nonskid finish as per detail plans
D. Cover Legend: Molded lettering bearing the utility name
E. Conduit Entrance Provisions: Conduit-terminating fittings shall mate with
entering ducts for secure, fixed installation in enclosure wall.
F. Handholes minimum 12 inches wide by 24 inches long (300 mm wide by
600 mm long) and larger shall have inserts for cable racks and pulling-in
irons installed before concrete is poured. All handholes shall be in
accordance with the sizes called for and shown on the construction plans.
G. All shall be minimum H20 load rated.
2.02 SOURCE QUALITY CONTROL FOR UNDERGROUND ENCLOSURES
A. Handhole and Pull-Box Prototype Test: Test prototypes of handholes and
boxes for compliance with SCTE 77. Strength tests shall be for specified
tier ratings of products supplied.
B. Tests of materials shall be performed by a independent testing agency.
C. Strength tests of complete boxes and covers shall be by either an
independent testing agency or manufacturer. A qualified registered
professional engineer shall certify tests by manufacturer.
Part 3 EXECUTION
3.01 INSTALLATION OF UNDERGROUND HANDHOLES AND BOXES
A. Install handholes and boxes level and plumb and with orientation and
depth coordinated with connecting conduits to minimize bends and
deflections required for proper entrances.
B. Unless otherwise indicated, support units on a level bed of crushed stone
or gravel, graded from 1/2-inch (12.5-mm) sieve to No. 4 ) sieve and
compacted to same density as adjacent undisturbed earth.
C. Elevation: In paved areas, set so cover surface will be flush with finished
grade. .
D. Field-cut openings for conduits according to enclosure manufacturer's
written instructions. Cut wall of enclosure with a tool designed for
material to be cut. Size holes for terminating fittings to be used, and seal
around penetrations after fittings are installed.
END OF SECTION