1105.02(h) 1105.02 (o)
4 1/2 inches to 12 inches A B Ca Cb Cc D E F 3 - - -
None Allowed None Allowed None Allowed * Radiograph all critical areas, but not less than 25% of each casting, or 25% of all castings, as indicated or as directed. ** If unacceptable defects are found in more than 10% of the radiographs, radiograph 100% of castings until the accumulated rejection level falls to 10% or less. The Contractor may then resume testing 25% of castings.
4.Quality of Work and Finish. Furnish iron castings true to pattern in form and dimensions, free
from pouring faults, sponginess, cracks, blow holes, and other defects in positions affecting the castings’ strength and value for the service intended. Provide boldly filleted angles and sharp and perfect ar rises.
5.Cleaning. Remove scale and sand from all castings to provide a smooth, clean, and uniform surface.
(i)Bronze Bearing and Expansion Plates. AASHTO M 107 ( ASTM B22 ), Alloy No. C91100 or C91300,
except with a maximum of 2 1/2% lead, unless otherwise indicated or specified. If indicated, make surfaces permanently self -lubricated. Provide a coefficient of friction of less than 0.10 or as indicated.
(j)Steel Pipe.
1.Pipe and Couplings. ASTM A53
2.Flanges and Pipe Fittings. ASTM A338
3.Welded Fittings. ASTM A 234
4.Threaded Parts. Apply one coat of primer to all threads immediately before assembly. Wipe clean
after assembly.
(k)Low -Alloy Steel Pipe.
1.Pipe and Couplings. Manufactured from low -alloy steel AASHTO M 270 ( ASTM A709), Grade 50
or Grade 50W, Type 2 or AASHTO M 270 ( ASTM A709 ) Grade 50W, and conforming to either ASTM A 53, or to ASTM A 714, Class 4, Grade V.
2.Flanges and Pipe Fittings. ASTM A338
3.Welding Fittings. ASTM A 234
4.Threaded Parts. Apply one coat of primer to all threads immediately before assembly. Wipe clean
after assembly.
(l)Not Used.
(m)Steel Tubing. ASTM A 500 or ASTM A501
(n)Cast Iron Pipe. ASTM A74 or ASTM A 377
(o)Not Used.
( p) 1105.02 (s)
B152 Section 11.2 and ASTM B 577. Make lapped joints by soldering or by riveting and soldering.
(q)Sheet Zinc. ASTM B69, Type II.
Make lapped joints by soldering.
(r)Sheet Lead. Common desilverized lead A, according to ASTM B29 for pig lead .
(s)Galvanizing. From a galvanizer listed in Bulletin 15 and as follows:
1.General. If indicated or specified, galvanize materials according to the applicable material specifications.
If the applicable material specifications do not include galvanizing, galvani
Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 1271–1275 of 1,522.