HMC/HWW/P-07/2025-26/03

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 directionj of E-I-C [Ref : UD & MAD (Schedule) 2018, P-2, It - 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.), Page-10, Item No. 01]

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(b]

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. [P.W.D.(Bldg.). Page- 42, Item - 36.(a)]

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation [Ref : P.W.D.(Bldg) 2017, Page - 1, Item-3.(a), (c.iv)]

(A) 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 : P.W.D.(Bldg.), Page-2, Item No. 4]

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. [Ref : P.W.D.(Bldg.), Page-14, Item No. 1]

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety [Ref: P.W.D (Bldg) 2017, Page-26 Item No- 10] Analysis no-23.

Supply M.S. pipe (A) 350 mm dia. (Rate accepted from P.H.E Dpt.)

Lowering, M.S/ pipe (A) 350 mm dia. (Rate accepted by H.M.C)

Rubber gasket joints to C.l./D.l. pipes and specials all complete to makes the joint water tight as required hydraulic pressure as per specification and direction of the Engineer-in-charge. 350 mm dia. [Ref :U.D.M.A.D (W.S), Page-8 , Item No. 2.1.5]

Flange joint to C.l./D.l/M.S. 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 [Ref :U.D.M.A.D (W.S), Page-9 , Item No. 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. 350mm dia. [Ref :U.D.M.A.D (W.S), Page-9 , Item No. 2.1.7]

Chamfering the spigot end of C.l./D.l. 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 Engineerin- charge. 350mm dia. [Ref :U.D.M.A.D (W.S), Page-10 , Item No. 2.1.8]

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] 350mm dia. [Ref :U.D.M.A.D (W.S), Page-17 , Item No. 2.4.1]

Cost 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 [Ref :U.D.M.A.D (W.S), Page-46 , Item No. 8.7]

Sluice valve chamber with C.I. heavy cover with locking arrangement, (weight not less than 25 kg) (size of chamber 450 mm X 600 mm inside upto 900 mm depth) 250 mm thick cement brick walls (6:1), 150 mm thick cement concrete (6:3:1) bed with stone chips, 20 mm thick cement plaster (6:1) for inside wall and 15 mm thick cement plaster (4:1) for outer walls including rounding corners. [Ref : P.W.D (S&P) 2017. Page -8, Item-10]

Dewatering by pumps including all leads, lifts and making all arrangements of disposal , where continuous flow of water from a source other than natural or ground water in encountered in case of emergency maintenance works related to leakage, breakage and making wet connections. [Ref : K.M.D.A. (Water supply) 2015, Page-82, It. -6.1]

Hire & labour charges for diesel generating set for lighting including fuel, 300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period. [Ref :U.D.M.A.D (W.S), Page-3 , Item No. 1.13]

Signalling arrangement at both sides of site to avoid any accident during working period 4 nos. red flags during sunlight at 4 corners and 2 nos light (lamp) in other than sunlight. [Ref :U.D.M.A.D (W.S), Page-3 , Item No. 1.14]

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge [Ref : P.W.D (Bldg) 2017, Page-12, Item No. 13]

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