2.15
ACCESS WALKWAYS, PLATFORMS, LADDERS AND HANDRAILS
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NOTE: Drawings should provide for the location of
access walkways, platforms, ladders and handrails.
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Walkways, platforms and ladders shall be provided for access to equipment
for operation and maintenance in accordance with Section 05500A
MISCELLANEOUS METAL. Walkways and platforms shall be nonslip open grating
fabricated from [galvanized steel] [aluminum] [fiberglass] [_____]. Rigid
handrails and kick-plates shall be provided along the sides of walkways and
platforms. Handrails shall be fabricated from [galvanized steel]
[aluminum] [_____], shall be [_____] high, and shall have two horizontal
rails. Gates shall be provided as required for access to equipment. The
last rung of the ladder on top shall be at the same level as the top of the
tank. Construction shall conform to ANSI A1264.1 and ANSI A14.3.
PART 3
EXECUTION
3.1
GENERAL
3.1.1
Fabrication
Work not required to be performed in the field shall be performed in a
factory under controlled conditions.
3.1.2
Installation
The system shall be installed such that proper wastewater flow through the
unit and required effluent conditions as specified in Paragraph Design
Criteria or Cartridge and Bag Design Criteria (as applicable) will be
achieved and maintained. Electrical work shall be in accordance with the
applicable requirements of Section 16402 INTERIOR DISTRIBUTION SYSTEM.
3.2
PAINTING
Painting shall be performed in accordance with applicable requirements
provided in Section 09900 PAINTS AND COATINGS, and additional requirements
provided herein.
3.2.1
General
Metal surfaces, except aluminum, bronze, brass, galvanized steel, and
stainless steel shall be painted. Surface preparation and painting shall
be performed in the shop or in the field as indicated. Manufactured items,
such as motors and switchboards, shall be finished with the manufacturer's
standard finish.
3.2.2
Preparation and Application
Ferrous metal surfaces shall be prepared in accordance with SSPC SP 6and
painted with two coats of epoxy paint in accordance with SSPC PS 13.01.
3.2.3
Testing
Coating shall be examined for flaws and tested for thickness. Thickness of
coatings shall be measured wet and dry using a commercial film thickness
SECTION 11393
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