Public Health Engineering Department-PHED has published Laying Distribution System For Proposed Augmentation Scheme For Chatra Piped Water Supply Scheme Under Murarai - I Block. Submission Date for this Tender is 27-10-2021. Pipe Laying Tenders in Nalhati, Birbhum West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 26-Oct-2021 | Due Date Extended | Admin Corrigendum Date Extend | 27-10-2021 |
| Sl. No. | Item Description |
| 1 | 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 conventional method in future. (A) Pressure Rating : PN 6 (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves. ii) 90mm (OD) |
| 2 | iii) 110mm dia |
| 3 | iv) 125mm dia |
| 4 | v) 140 mm dia |
| 5 | vi) 160mm dia |
| 6 | vii) 180mm dia |
| 7 | viii) 200 mm dia |
| 8 | ix) 225mm dia |
| 9 | ix) 250mm dia |
| 10 | x) 280 mm dia |
| 11 | Filling the pipe line with water, testing hydraulically as per I.S 3114-1965 (Article-6) in section of a length not exceeding 500mtr. for head of pressure as per specification including supplying installing and fixing all equipments such as diesel pump set, blank flange, pressure gauge, valve, pressure pump and all other tools and plants including drilling topping and plugging of necessary holes to pipes, blocking ends providing temporary thrust block and subsequent blocking of holes and other jointing materials and dismantling and removal of the same including disposal of water etc. all complete as per specification and direction of EIC. The rate is inclusive of cost of requisite water to be arranged by the contractor (Recovery rate of water @ Rs.10.00/m3, if contractor used water from deptt. source).(It No- 09 ,Page -L18) B) For UPVC/HDPE Pipe ii) 90mm dia |
| 12 | iii) 110mm dia |
| 13 | iv) 125mm dia |
| 14 | v) 140 mm dia |
| 15 | vi) 160mm dia |
| 16 | vii) 180mm dia |
| 17 | viii) 200 mm dia |
| 18 | ix) 225mm dia |
| 19 | ix) 250mm dia |
| 20 | x) 280 mm dia |
| 21 | A) For CI/DI pipe g) 300mm dia. |
| 22 | Cleaning thoroughly the inner surface of pipe line including specials and valves by flushing with water and subsequently disinfection of the same pipe line by flushing again with water containing bleaching powder resulting in residual chlorine not less than 15mg/ltrs. after 24hrs. of such filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipe line after completion of the work. The rates including of cost of requisite water to be arranged by the contractor) (The rate of water @Rs. 10/m3 may be recovered, if the contractor used water from deptt. source).(It No- 10,Page -L20) B) For UPVC/HDPE Pipe ii) 90mm dia |
| 23 | iii) 110mm dia |
| 24 | iv) 125mm dia |
| 25 | v) 140 mm dia |
| 26 | vi) 160mm dia |
| 27 | vii) 180mm dia |
| 28 | viii) 200 mm dia |
| 29 | ix) 225mm dia |
| 30 | ix)250mm dia. |
| 31 | x) 280 mm dia |
| 32 | A) For CI/DI pipe g) 300mm dia. |
| 33 | Carrying CI/DI pipes with specials and valves and lowering placing in position and laying carefully inside the trenches in proper alignment and gradient etc. including earth work in excavation of adequate width as per specification having min. clear cover from top of pipe is 1.10mtr. below existing ground level in any kind of soil including mixed with boulder, road sub-grade and its flank,but excluding moorum and laterite and stone etc.without damaging the exisiting telephone/electric cable etc.(in case of damaged if any type of cable line during excecution , necessary damaged charges as applicable by the respective authority will be borne by the agency in his own cost) preparing the bottom surface for continuous bedding of pipe line and laying pipes, fitting, fixing specials and valves with bailing out water if any including carriage of pipes, specials and valves from local deptt. store within 8KM and back filling the trenches with excavated earth in layers to original condition as per specification and direction of EIC. The surplus materials after execution of work are to be return to the deptt. store. N.B: i) Any deviation from required clear cover of 1.10mtr., due to site adverse condition, prior permission is to be obtained from the EIC in exceptional situation and payment will be made on prorate basis over the rate of entire item ii) No payment will be made without hydraulic test of the pipe line either part or full iii) The pipes, specials and valves , rubber gasket will be supplied deptt.free of cost. g) 300mm dia. |
| 34 | Making rubber gasket joint to CI/DI pipes maintaining proper alignment level etc. by mechanical arrangement with or without using mobile cranes where necessary and with help of all other equipments tools and tackles etc. as required providing lubricants of approved quality and direction of EIC. (rubber gasket will be supplied deptt. free of cost) g) 300mm dia. |
| 35 | Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest emended having body dome/bonnet and cover of C.I.Gr-F.G 210mtr. spindle of IS-6603 G.R- 12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2. N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender list 100 mm dia. |
| 36 | 150mm.dia. |
| 37 | 200mm.dia. |
| 38 | 250mm.dia. |
| 39 | 300mm.dia. |
| 40 | Construction of different dia Sluice valve /Air valve /Washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab with necessary opening for operation of valve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified] i) 80 mm to 150 mm dia pipe |
| 41 | ii) 200 mm dia pipe |
| 42 | iii) 250 mm to350 mm dia pipe |
| 43 | Making flange joint to DI/CI pipes, specials and valves where necessary with supply of required rubber insertion and nut bolts, washers etc. of approved quality and type all complete as per specification and direction of EIC (Nut and bolts shall be of TATA/GKW rate). g) 300mm dia. |
| 44 | Cutting DI pipe (all class & type) to required length with cutting device etc. and grinding the cutting portion with file as per direction and satisfaction of EIC. c) 250mm.dia.to 350mm.dia pipe |
| 45 | Submission of complete detailed drawing of distribution system, rising main etc. after execution of work showing position of different types of valves, fittings/specials sluice valve chamber with location, node to node wise in the sanctioned drawing as completion drawing of the water supply scheme as per direction and satisfaction of EIC. The list of dia wise fitting/specials, different pipes ;of valve used in the rising main should be shown in the completion drawing (not separate) with verified by SAE & AE in-charge of the scheme. The above drawing will be submitted in 5 copies. |
| 46 | Bituminous pucca road (approx. 450mm depth) cutting by using gaiti, chisel, hammer etc. and picking uip the withdrawing excavated materials and remove the same within distance of 30mtr. at least all complete for fixing/crossing all dia of pipe line as per direction of EIC |
| 47 | Dismantling all type of plain cement concrete works, stacking serviceable materials of site and removing rubbish as directed within a lead of 75mtr. for laying all dia pipe line in ground floor, upto 150mm thick.Ref. Item 2(a), page-10, PWD SOR Vol-I |
| 48 | a) Construction of RCC street stand post (700mm height) of RCC (1:1.5:3) footing over 75mm thick 4:2:1 P.C.C over a single B/F soling with 1% reinforcement, connected with saddle piece & 15mm dia brass ferrule with supplying fitting, fixing 15mm dia G.I. nipple, G.I.socket, G.I. 200mm x 150mm reducing elbow and 20mm dia GI(m) TATA pipe of (avg.) 2.6mtr. long and one 15mm dia alloy Iron with brass spindle bib cock with socket and 20mm G.I. elbow 2nos. with 15mm GI(m) TATA pipe of 0.225mtr. for connection of stand post to distribution line as per deptt. design and drawing as per direction of EIC along with Construction of platform of size CC platform (1:2:4) over a single B/F soling below G.L over 150mm.thick sand filling, neat cement finish over platform and inner side of band and 15mm thick cement plaster (4:1) on top of platform band and outside upto G.L. as per deptt. drawing and as per direction of EIC |
| 49 | Carriage of different type of departmental pipes from Divisional/Sub-divisional store to the work site by truck including loading, unloading, stacking etc. including cost of fuel, lubricant and also cost of driver, helper etc. and all other taxes and charges as applicable as per direction of EIC f) Above 40 Km upto 50 Km |
| 50 | g) Above 50 Km (Extra cost per Km) Extra 50 Km(4 nos Truck x 50 Km Each = 200 Km) |
| 51 | Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety |
| 52 | Chamfering the spigot end of all type/class of DI pipe for proper using of push joint by means of grinder set at site for proper joint etc. all complete as per direction of EIC. g) 300mm dia. |
| 53 | Providing FHTC from the existing CI/DI/UPVC/HDPE/GI/AC distribution pipeline by installing 10mm NB Gun-metal Ferrule conforming to IS 2692:1989 on the said pipeline with supply, fitting and fixing all other accessories like saddle piece of required size to fit the existing distribution pipeline,specials,nut &olts,rubber sheet,washers etc. and supply & laying of15mm NBPVC (Schedule 80) or 20mm OD HDPE (PE 100, PN 16) 5 (average 15m length) with all necessary speciaequivalent dia PVC/HDPE pipe (average 15m length) with all necessary specials 1.0 metre below the ground connecting the ferrule including cutting trenches in all sorts of soil and filling of trenches as per direction on the Engineer -in-Chargeand upto a point just inside the premises of the household or asdirected by E.I.C. Supply and installation of a 15mm dia,alloy iron Bib Cock (tested to 21kg/cm2)above 1.0 Mtr.from ground,an alloy Stop Cock of 15 mm dia. with brass spindle (tedted to 21 kg/cm2) to be fitted in a position as directed by E.I.C. GI pipe (medium duty) of 2m lengthwith all necessary specials to continue from the end of the HDPE/PVC pipe and upto 1.0 m above ground within the premises of household.Note : 1. PVC pipe shall of schedule 80 (medium duty) conforming to ASTMD-1785 and threaded to match with GI pipe as per IS: 1239(part-I). 2. Rate is exclusive of supply and delivery of 10mm NB Gun metal Ferrule. 3. Payment of supply and laying of 15mm dia NB PVC(Schedule 80) or 20mm OD HDPE (PE 100, PN 16)pipe with all necessary specials 1.0m below the ground will be made on actual measurement basis. The rate of this item is Rs. 117/-per metre. |
| 54 | Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted 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 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.) Under ground, 15 mm |
| 55 | Cost for boring any type of soil by augor boring (horizontal) with water jet system including hire charges of machine, tools & plants, all complete with all labour and supply of water etc. as per specification and direction of EIC. i) 80mm to 100mm dia. |
| 56 | Making village Road (average 3 m width crossing by horizontalauger boring for accomodation of laying of average3 (Three) nos 15 mm diapipes for FHTCor as per direction of Engineeing-in charge |
| 57 | Colection of Household details as per prescribed formatthrough Mobile app/Hard copies including Geo referance as diected by E.I.C and submission of the same to the P.H.E Dte.in soft copies. |
| 58 | Add GST @12% on sum of Item No. 1 to 21 |
| 59 | Add Cess @1% on sum of Item No. 1 to 22 |
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