Water Pipes PVC

Please find attached the specification for Manhole cover, Water and drainage pipe and fire pipe
KARBALA BOQ PIPE & FITTINGS
ITEM
Description
QTY UNIT Unit PRICE Total Price
PIPING UPVC DRAINAGE PIPE 6 " , ASTM D 1785 ,SCH 40 1295 METER
DRAINAGE PIPE 4" ,ASTM D 1785 ,SCH 40 12661 METER
DRAINAGE PIPE 6 " ,ASTM D 1785 ,SCH 40 3477 METER
WATER SUPPLY PIPE 6" ,ASTM D 1785 ,SCH 80 9600 METER
WATER SUPPLY PIPE 4 " ,ASTM D 1785 ,SCH 80 921 METER
WATER SUPP