WB-HMC/TN/ED/WS/20/25-26

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)

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]

Supplying HDPE (Materials grade PE-100) pipes conforming to IS 4984- 1995 with latest revision & amendments if any with necessary HDPE specials (excluding cost of CIDF valves) including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder,road sub-grade and aits flank but excluding moorum laterite or sand stone / hard rock cutting with chisel required including cutting road flank/ brick pavement etc. without damaging the exisiting telephone/electrical cable line etc.(in case of damage of any type of cable line by the agency at the time of execution necessary damage charge as applicable by the respective authority will have to be brone by the agency at his own cost)upto the depth (av.) so as to maintain 1.10m.earth cushion from top of the pipe upto G.L. including loading unloading carrying lowering laying fitting fixing carefully pipes, valves and specials with the all types of jointing materials in trenches maintaining proper levels and alignment jointing the pipes and specials by butt welding/ adopting suitable method (But weld jointing with help of hydraulic tack and trimming machines, Hitter etc. for reaching at necessary melting point of HDPE pipe so that joint can be monolithic) so as to facilitate the maintenance of pipe line locally as per conventionalmethod in future. (B) Pressure Rating : PN 10 (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves. (a) 110 mm (OD) Ref:- PHE (SOR ) w.e.f. 03.11.2021, P- L14, IT-4,(B)(ii)© & (f)

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

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.

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 is encountered in case of emergency maintenance works related to leakage, breakage and making wet connections. [Note : - In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor Ref:-UD & MAD (Schedule) 2018, P-24, it - 7.2

Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately) (i) 15 mm dia. medium quality. Ref:-PWD(S&P) 2017, P-3, It-2(i) & (ii).

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in- Charge. [After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost] (a) 100 mm dia. Ref:-UD & MAD (Schedule) 2018, P-23, it - 6.1

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 based on the basis of measurement of finished quantity of work. (a) With earth obtained from excavation of foundation Ref:-UD & MAD (Schedule) 2018, P-01, it - 1.2(a)

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:-UD & MAD (Schedule) 2018, P-5, it - 1.18

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 - 1 & 3rd corrigenda Page - 1 SL 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 In Ground Floor Rate Analysis Enclosed

Supplying including cost of installation of C.I. Mechanical joint Tee as dimensionally described in IS:13382/2004. Each Tee consists of One C.I. Body, Two C.I. Follower Glands, Two sealing Rubber Gaskets of EPDM quality (Conforming to IS:5382/1985 Type-4) and Zinc coated M.S. Fasteners. The Branch Flange is drilled as per IS: 1538. The whole assembly is mechanically and hydraulically tested to provisions as laid down in IS: 13382/2004. Diameter in mm 250 x 250 x 100 Ref:-UD & MAD (Schedule) 2018, P-38, it - 7.34

Shifting house connection or stand post connection from existing main to new main after excavation through any kind of soil and road materials up to required depth. dismantling existing ferrule with all fittings. plugging hole of old main with G.I. plug. drilling and tapping the new main. refixing the ferrule on the new main with serviceable old G.I pipes and other specials (New G.l. pipes and other specials. if required to be installed shall be paid extra) and back filling the trench with excavated materials all complete as per specification and direction of the Engineer- in-Charge. Ref:-UD & MAD (Schedule) 2018, P-21, it - 3.7

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