Pennsylvania Publication 408 — Specifications — Section 849

854.1 854.4 854 – 1

854.1DESCRIPTION —This work is construction of a temporary slope drainage facility.

854.2MATERIAL —

• End Section . Section 616.2

• Pipe (Inlet and Outlet) . Section 601.2

• Fill Slope Pipe . Plastic, metal, or flexible rubber pipe of acceptable quality .

• Geotextiles, Class 4, Type A . Section 735

854.3CONSTRUCTION —As shown on the Standard Drawings and as follows:

Construct the berms of suitable compacted embankment material, as specified in Section 206.3. Construct the inlet end to channel water into the temporary drain. Use a slope pipe that can easily be moved, with the length varying, as necessary, to reach a su itable discharge area. Place the discharge end so the outlet water does not cause erosion. Place geotextiles, Class 4, Type A , at the discharge end of the pipe; if necessary, use rock, to prevent erosion. Place fabric, as specified in Section 212.3(c). Remove and satisfactorily dispose of pipes and end sections if they are no longer required.

854.4MEASUREMENT AND PAYMENT —Each

855.1 855.3

855.1DESCRIPTION —This work is furnishing, installing, maintaining, and disposing of a Pumped Water

Filter Bag as indicated.

855.2MATERIAL —

(a)Pumped Water Filter Bag . From a manufacturer listed in Bulletin 15, meeting the following requirements:

1.Constructed from non -woven geotextile material with the physical properties listed below:

Property Test Method Units Value Mass per Unit Area, Min. ASTM D 5261 oz/sy 10 Breaking Load ( Grab Strength ), Min. ASTM D 4632 lbs 250 Tearing Strength (Trapezoidal Method), Min. ASTM D4533 lbs 100 Puncture Strength, Min. ASTM D 6241 lbs 775 UV Resistance After 500 Hours, Min. Strength Retained ASTM D4355 % 70 Apparent Opening Size ( AOS ), Max. Sieve Size ASTM D4751 , Method A U.S Standard Sieve No. 100 (0.150 mm)

2.Bag size: 15.0 feet by 15.0 feet (± 0.25 feet ).

3.Sewn with a double 401 chain lock stitch or double needle stitch with a minimum seam strength of

100 pounds per inch according to ASTM D4884.

4.Constructed with an adjustable sewn in spout capable of handling a maximum hose size diameter

of 6 inches.

5.Labeled with maximum flowrate of bag in gallons per minute.

(b)Coarse Aggregate. AASHTO No. 57 . Section 703

(c)Lifting Straps. Of sufficient strength to support load of bag.

(d)Geotextile for Underlayment . Class 4, Type A . Section 735

855.3CONSTRUCTION —As shown on the Standard Drawings , at the location indicated or directed, and

as follows: Locate bag in a well vegetated (stabilized) area. Discharge onto a stable, erosion resistant area. When vegetated area is not available, provide geotextile

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 781–782 of 1,522.

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845 UNFORESEEN WATER POLLUTION CONTROL

850 ROCK LINING