Technical Specifications

02621-3
5. Type: Form-A-Drain Part LN128, size 2-1/4 inches (57 mm) wide by 8 inches
(203 mm) deep, dual-channel.
6. Type: Form-A-Drain Part LN1210, size 1-1/2 inches (38 mm) wide by 10
inches (254 mm) deep, dual-channel.
B. Fittings:
1. Material: Extruded polyvinyl chloride (PVC) or molded polypropylene (PP) in
profiles and shapes as follows:
a. Coupling: Extruded PVC, Form-A-Drain Part XCPLx.
b. Coupling with hole: Molded PP, Form-A-Drain Part COUPx.
c. 90-degree corner coupling: Molded PP, Form-A-Drain Part CN90x.
d. 45-degree corner coupling: Extruded PVC, Form-A-Drain Part CN45x.
e. Outlet, 4 inch diameter stub: Extruded PVC base with molded PP
outlet, Form-A-Drain Part OUT4x.
f. Double outlet, 4 inch diameter stubs: Extruded PVC base with molded
PP outlets, Form-A-Drain Part DOF4x.
g. 90-degree vertical "L": Extruded PVC, Form-A-Drain Part VL90x.
h. 90-degree vertical "T": Extruded PVC, Form-A-Drain Part VTEEx.
2. Size: As required for linear components specified.
C. Accessories:
1. Grade stake: Form-A-Drain Part GS018, length 18 inches (457 mm).
2. Grade stake: Form-A-Drain Part GS030, length 30 inches (762 mm).
3. Spacer strap: Form-A-Drain Part SS416, width 10 inches (254 mm).
4. Spacer strap: Form-A-Drain Part SS416, width 16 inches (406 mm).
5. Spacer strap: Form-A-Drain Part SS420, width 20 inches (510 mm).
6. Spacer strap: Form-A-Drain Part SS424, width 24 inches (610 mm).
7. Spacer strap: Form-A-Drain Part SS820, width 20 inches (510 mm).
8. Spacer strap: Form-A-Drain Part SS824, width 24 inches (610 mm).
9. Fasteners: Steel drill screws of length specified in manufacturer's installation
instructions.
10. Reinforcing bar: Deformed steel of diameter specified in manufacturer's
installation instructions.
D. Piping connecting foundation drains to sump pit outlets: PVC, ASTM D 2729, of
diameter required.
E. Piping connecting foundation drains to stack vents: PVC, ASTM D 2729, of
diameter required.
F. Filter aggregate, bedding materials and filter fabric as specified in Section 02300.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify trench cut is ready to receive work and excavations, dimensions, and
elevations are as indicated on Drawings.
B. If substrate preparation is the responsibility of another installer, notify Architect of
unsatisfactory preparation before proceeding.
3.2 PREPARATION
A. Hand trim excavations to required elevations. Correct over excavation
B. Remove large stones or other hard matter which could damage drainage system or