Page 525 - Construction Waterproofing Handbook

GUIDE SPECIFICATION FOR WATERPROOFING 15.9
c. Miradrain Site Specific Fabrics:

HP 500 FW 40/10 FW 70/20 180N
(MD 6000, 6200, (MD 6000, 6200, (MD 6000, 6200, (MD 6000, 6200,
8000, 9000) 8000, 9000) 8000, 9000) 8000)
Flow Rate 115gal./min/ft 2 70 gal./min/ft 2 35 gal./min/ft 2 110gal./min/ft 2
2
(ASTMD4491) (4698 l/min/m ) 2 (2860 l/min/m ) 2 (1430 l/min/m ) 2 (4494 l/min/m )
Apparent Opening Size 30 (0.595) U.S. Sieve 40 (0.42) U. S. Sieve 60 (0.25) U.S. 80(0.177) U.S.
(ASTM D 4751) (mm) (mm) Sieve (mm) Sieve (mm)
Grab Tensile 400 Ib. Machine 265 Ib. Machine 275 Ib. Machine 200 Ib. Machine
(ASTM 4632) Direction Direction Direction Direction
(1 .78 kN) (1.18kN) (1 .22 kN) (0.89 kN)

Mass per unit 7.4 oz/yd 2 5.0 oz/yd 2 6.1 oz/yd 2 8.0 oz/yd 2
2
2
2
(ASTM D 5261) (250 g/m ) (170 g/m ) (207 g/m ) (271 g/m ) 2
Puncture 145 Ib. 125lb. 145 Ib. 130lb.
(ASTM D 4833) (0.81 kN) (0.56 kN) (0.65 kN) (0.58 kN)
Ed note: Retain below prefabricated drainage composite as appropriate to project requirements and site-specific soil conditions. Coordinate
below composite with above drainage fabric.

3. Material(s)/System(s) Testing: Prefabricated drainage composites:

Miradrain 6200 Miradrain 8000 Miradrain 9000
2
Compressive Strength - psf (kN/m ) 15,000 15,000 18,000
(ASTM D 1621) (719) (719) (862)
Water Flow Rate * - gpm/ft width 15 15 18
(l/min/width) (188) (188) (226)
(ASTM D 471 6)
Thickness - in (mm) 0.40 0.38 0.38
iASTM D 1777) (11.3) (10.8) (10.8)

Miradrain 6000 Miradrain 2000 Miradrain 5000
2
Compressive Strength - psf (kN/m ) 15,000 10,800 15,000
( ASTM D 1621) (719) (518) (719)
Water Flow Rate * - gpm/ft width 15 9 15
(l/min/width) (188) (113) (188)
(ASTM D 471 6)
Thickness - in (mm) 0.40 0.25 0.40
(ASTM D 1777) (11.3) (7.1) (11.3)
*Normal stress of 3,6000 psf
Hydraulic gradient of 1.0 for 300 + hours

FIGURE 15.1 (Continued) Guide specification for section 2715, prefabricated drainage system. (Courtesy TC MiraDRI)