WBMAD/ULB/RSM/WS/33/26-27

Earth work in excavation in foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches Levelling, Dressing and ramming the bottom, bailing out water as required complete. a) Depth of excavation not exceeding 1500 mm, (Ref:Pg.No.-01, Sl No.-2a, PWD(B)-2017)

(b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring.

Labour for picking up existing metalled road surface to a specified average depth, including screening and stacking the pavement materials. For average depth above 75 mm but not exceeding 150 mm by manual means: (i) Stone-metal surface. (Ref:Pg.No.-331, Sl No.-18.01(c), PWD(R)-2018)

(ii) Brick / Jhama metal surface.

Rubber gasket joints to CI/DI pipes and specials all complete to make the joint watertight at required hydraulic as per specification and direction of the Engineer- In –charge. i) 750 mm. (Ref: Pg.No.-9, Sl No.-2.1.5, UD & MA-2018)

Cutting of C.I./D.I. pipes for fitting with pipes and/or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-In-charge. i) 750 mm. (Ref: Pg.No.-10, Sl No.-2.1.7, UD & MA-2018)

Chamfering the spigot end of C.I/D.I. pipes for fitting with the socket of C.I./D.I. pipes and/or specials in tyton jointed water mains or other wise using electric grinder as per specification and direction of the Engineer-in-Charge. i) 750 mm. (Ref: Pg.No.-11, Sl No.-2.1.8, UD & MA-2018)

Flange joint to C.I./D.I./M.S. pipes and specials including supply of rubber gasket, nuts, bolts, washers etc of best quality to make the joint waterting at required hydraulic pressure all complete as per specification & direction of the Engineer - in - Charge. i) 750 mm. (Ref: Pg.No.-9, Sl No.-2.1.6, UD & MA-2018)

Supplying and fabricating 20 mm to 32mm thick (finished thickness) M.S flange. properly ribbed, one face machined, including drilling holes as per standard table, fitting and fixing the same with M.S. pipe by electric arc welding as per relevant I.S. specification using standard electrodes and direction of the Engineer-in-Charge. [ The Engineer-in-Charge shall approve the electrodes for arc welding before use] i) 750 mm dia.(Ref: Pg.No.-16, Sl No.-2.3.7, UD & MA-2018)

Lowering of MS Pipe and specials in trench upto a depth of 3m below GL, laying and jopinting the same inside the trench / over ground by means of electric arc welding using stamdard electrodes as per IS Specisication, all complete as per direction of Engineer in charge (The EIC shall approve the electrodes for arc welding before use. For layiong over ground the rates shall be rediced by 10% and that is inclusive of holding arranagnements). v) 750 mm. (Ref: Pg.No.-17, Sl No.-2.3.9, UD & MA-2018)