Complete Compiled Specification.pdf - Peck Ormsby Construction

5. Adjusting Rings: Interlocking rings with level or sloped edge in thickness and shape
matching catch basin frame and grate. Include sealant recommended by ring
manufacturer.
6. Grade Rings: Include 2 or 3 reinforced-concrete rings, of 6- to 9-inch (150- to 229-mm)
total thickness, that match 24-inch- (610-mm-) diameter frame and grate.
7. Steps: Individual FRP ladder, Individual FRP steps, or ASTM A 615M, 1/2-inch (13-mm)
steel reinforcing rods encased in ASTM D 4101, PP [ASTM A 615/A 615M, 1/2-inch (13mm)
steel reinforcing rods encased in ASTM D 4101, PP wide enough to allow worker to
place both feet on 1 step and designed to prevent lateral slippage off of step. Cast or
anchor steps into sidewalls at 12- to 16-inch (300- to 400-mm) intervals. Omit steps if
total depth from floor of catch basin to finished grade is less than 60 inches (1500 mm) .
8. Pipe Connectors: ASTM C 923 (ASTM C 923M), resilient, of size required, for each pipe
connecting to base section.
B. Designed Precast Concrete Catch Basins: ASTM C 913, precast, reinforced concrete;
designed according to ASTM C 890 for A-16 (ASSHTO HS20-44), heavy-traffic, structural
loading; of depth, shape, and dimensions indicated, with provision for sealant joints.
1. Joint Sealants: ASTM C 990 (ASTM C 990M), bitumen or butyl rubber.
2. Adjusting Rings: Interlocking rings with level or sloped edge in thickness and shape
matching catch basin frame and grate. Include sealant recommended by ring
manufacturer.
3. Grade Rings: Include 2 or 3 reinforced-concrete rings, of 6- to 9-inch (150- to 229-mm)
total thickness, that match 24-inch- (610-mm-) diameter frame and grate.
4. Steps: Individual FRP ladder, Individual FRP steps, ASTM A 615/A, 1/2-inch (13-mm)
steel reinforcing rods encased in ASTM D 4101, PP, 1/2-inch (13-mm) steel reinforcing
rods encased in ASTM D 4101, PP , wide enough to allow worker to place both feet on 1
step and designed to prevent lateral slippage off of step. Cast or anchor steps into
sidewalls at 12- to 16-inch (300- to 400-mm) intervals. Omit steps if total depth from floor
of catch basin to finished grade is less than 60 inches (1500 mm) .
5. Pipe Connectors: ASTM C 923 (ASTM C 923M), resilient, of size required, for each pipe
connecting to base section.
C. Cast-in-Place Concrete, Catch Basins: Construct of reinforced concrete; designed according to
ASTM C 890 for structural loading; of depth, shape, dimensions, and appurtenances indicated.
1. Bottom, Walls, and Top: Reinforced concrete.
2. Channels and Benches: Concrete.
3. Steps: Individual or FRP ladder, Individual FRP steps, ASTM A 615M, 1/2-inch (13-mm)
steel reinforcing rods encased in ASTM D 4101, PP, ASTM A 615M, 1/2-inch (13-mm)
steel reinforcing rods encased in ASTM D 4101, PP, wide enough to allow worker to
place both feet on 1 step and designed to prevent lateral slippage off of step. Cast or
anchor steps into sidewalls at 12- to 16-inch (300- to 400-mm) intervals. Omit steps if
total depth from floor of catch basin to finished grade is less than 60 inches (1500 mm).
D. Frames and Grates: ASTM A 536, Grade 60-40-18, ductile iron designed for A-16, structural
loading. Include flat grate with small square or short-slotted drainage openings.
1. Size: 24 by 24 inches (610 by 610 mm) minimum, unless otherwise indicated.
2. Grate Free Area: Approximately 50 percent, unless otherwise indicated.
E. Frames and Grates: ASTM A 536, Grade 60-40-18, ductile iron designed for A-16, structural
loading. Include 24-inch (610-mm) ID by 7- to 9-inch (178- to 229-mm) riser with 4-inch (102mm)
minimum width flange, and 26-inch- (660-mm-) diameter flat grate with small square or
short-slotted drainage openings.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION
STORM UTILITY DRAINAGE PIPING
MARCH 2, 2009
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