WB-HMC/TN/ED/WS/05/26-27

Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line raking every detection against damage of S.W. pipe line electrical cable etc. as underground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per direction of E-I-C. Ref:- UD & MAD (Schedule) 2018, P-2, it. No. - 1.4

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In ground floor including roof. a) upto 150 mm. Thick Ref: P.W.D (Bldg) Sch. -2017, page -10 It- 2(a)

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. 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 1,500 mm. [Ref : P.W.D.(Bldg) 2017, Page - 1, Item-2(a)]

Hire and labour charges for 75 mm dia bamboo railing on Jhau/Eucalyptus or other approved timber\bamboo posts 1.4 m above G.L and 0.60 m below G.L including tying strongly with coir ropes and boring holes for posts in any soil/ concrete surface/Bituminious surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer in charge after removing the barricade.(Cost of restoration would be paid seperately.) (a)75mm. dia bamboo railing & 125mm. Dia Jhau/Eucalyptus/other approved timber posts @ 1.60m apart (ii) Railing with 3 rows. Ref:- UD & MAD (Schedule) 2018, P-3, it - 1.8(a)(ii)

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (Payment to be made on measurement of finished quantity) Ref:-[Page:2; Item No:4(A) of PWD-SOR(Bld) 2017]

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. (b)     100 mm dia. Ref:- UD & MAD (Schedule) 2018, P-8, IT-2.1.6

Cutting of C.l/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. (b)     100 mm dia Ref:-UD & MAD (Schedule) 2018, P-09, IT-2.1.7

Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane (for diameter above 250 mm) by providing temporary support, as required, gaskets, nuts & bolts etc. all cornplete as per specification and direction of the Engineer-in-charge. [The rate Includes cost of flange joints] (a) 100 mm Dia. Ref:-UD & MAD (Schedule) 2018, P-17, IT-2.4.1

(a) 150 mm Dia. Ref:-UD & MAD (Schedule) 2018, P-17, IT-2.4.1

Cast iron double flanged manually operated sluice valves generally conforming to IS 14846 : 2000, having four faces and spindle nut inside screw non- rising spindle type gunmetal/AISI 410 suitable for PN 1.0 rating complete with ball thrust bearing and enclosed gearbox (EN-8 with hardened by nitriding pinions of EN-19), flanges flat faced and drilled to IS.: 1538 : 1993. Valves tested by closed end method. NB Diameter in mm (a) 100 mm Dia. Ref:-UD & MAD (Schedule) 2018, P-46 , IT-8.6.