Public Health Engineering Department-PHED has published Retrofitting Works For Providing Balance Functional Household Tap Connection (Fhtc) By Sinking Of 1 No. Additional Tubewell For Kot Mouza (200Mm Dia All Through & 132 Mt. Deep) Along With Hdpe Rising Main Up To Ohr For Kot Piped Water Supply Scheme Under . Submission Date for this Tender is 05-03-2024. Tube Well Tenders in birbhum West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Transportation cost of drilling equipmentand accessories rig machine etc. including cost of fuel,Lubricant & loading unloadingthe materials from store/stack yard /suppliers godown and unloading /stacking the same at site. (Upto 60.0 km distance) |
| 2 | Drilling by Reverse Rotary method of drilling using9 7/8” dia.bit for pilot bore follwed by subsequently reaming using 12 1/4” dia. ,15 " dia. and 17.5" dia. Rock Roller Bits/ Drag Bits in consolidated, semi consolidated and soft formation up to required depth including casing boring and casing lowering as required includingcost of fuels and lubricants etc. as required for drilling. Note: 1)Rate only for pilot drilling will be @ 50%. of item rate. 2)Ratefor reaming by 12 1/4 " dia. bit will be @ 14% of item rate. 3)Ratefor reaming by 15 " dia. bit will be @ 16% of item rate. 4)Ratefor reaming by 17.5 " dia. bit will be @ 20% of item rate. From 6 Mtr. to 60 Mtr. |
| 3 | From 60 Mtr. to 90 Mtr. |
| 4 | From 90 Mtr. to 120 Mtr. |
| 5 | From 120 Mtr. to 150 Mtr. |
| 6 | Lowering the tube well assembly (UPVC Casing pipe ,well pipe, strainer along with UPVC accessories) vertically in a position with proper lowering arrangement by applying necessary jointing compound including labour cost for subsequent gravel packing and machine operation cost etc. |
| 7 | Development (Min. 8 Hr. continuous) of tube well by using suitable air compressor (Min. Capacity: 600 CFM & operating Pressure 14 Bar) followed by yield testing with BHT pump (Head :45 to 50mtr.,Discharge :1100 to 1000 LPM and 25 BHP engine) all complete including To & Fro Transportation cost and Cost of fuels, lubricants & Labour etc. |
| 8 | Water sample collection and chemical test including Arsenic Test. |
| 9 | Supply and delivery of UPVE pipe (CD) conforming to IS 12818:2010 ( CIPET Certified) a) 200 mm dia. |
| 10 | (B) Socket a) 200 mm dia. |
| 11 | Supplying at site, fitting, fixing of the following accessories corresponding to the dia. of blank/ slotted housing pipe as specified, details below including 2 coats of bituminous painting on all sides complete. a) M.S bottom cap plug with hook for sealing the bottom of well assembly. (i) 200mm dia. |
| 12 | b) Housing clamp of M.S plate 150mm. width of 20mm. thick with arms extended on both sides upto 0.30m. length on each sides with 2 drilled holes on both sides for insertion of total 4nos. M.S nuts & bolts of 75X20mm. size with M.S washer compl. i) 200 mm dia. |
| 13 | Supplying, fitting and fixing G.I. cap at top i) 200 mm |
| 14 | Supply and delivery of M.S .Centre guide (Special Type). |
| 15 | Supply and delivery of Bentonite Powder conforming to IS 6186 : 1986. |
| 16 | Supply and delivery of Washed gravels size ranging from 1.80 mm to 4.74 mm. conforming to IS 4097 : 1967. |
| 17 | Electro-logging charge. |
| 18 | Supplying, fibre glass reinforced Epoxy resin slotted of 1 mm slot width in 6.1m length of approved make and as per direction of the Engineer - in - Charge (As per PWD Schedule) 200 mm nominal dia.,6 mm wall thickness |
| 19 | Supply and delivery of UPVC Reducer.i) 200mmx150mm Dia. |
| 20 | Supply and delivery of UPVC cap.i)200dia. |
| 21 | Supplying M S male /female adopter of approve make and brand fof couping of M S pipe and Fibre glass strainers as per direction of EIC. i) 200 mm dia |
| 22 | 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. D) 150mm dia. |
| 23 | 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) A) For CI/DI pipe D) 150mm dia. |
| 24 | 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). A) For CI/DI pipe D) 150mm dia. |
| 25 | 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) C 150 mmdia |
| 26 | 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 |
| 27 | 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). 150 mm dia. |
| 28 | 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. b) 150mm.dia.to 200mm.dia pipe |
| 29 | 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 |
| 30 | 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 |
| 31 | g) Above 50 Km (Extra cost per Km) Extra 50 Km(2nos Truck x 45 Km Each = 90Km) |
| 32 | 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 |
| 33 | 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. c) 150 mm dia |
| 34 | Supplying HDPE (Materials grade PE-80) 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 ofhydraulic 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 : PN10 ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves 160mm(OD) |
| 35 | 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 ofhydraulic 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 : PN10 ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves 75 mm (OD) |
| 36 | 90 mm (OD) |
| 37 | 110 mm (OD) |
| 38 | Supply of CIDF pipes,Specials etc at work site. |
| 39 | Providing FHTC from the existing Cl/Dl/uPVC/HDPE/Gl/AC distribution pipeline by installing 10 mm NB Gun-metal Ferrule conforming to IS 2692:1989 with latest amendments on the said pipeline with supply, fitting & fixing of all other accessories like saddle piece of required size to fit the existing distribution pipeline, specials, nut & bolts, rubber sheet, washers etc and supply & laying of 15mm NB PVC (schedule 80)/20mm OD HDPE (PEIOO, PN16) 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 up trenches as per direction of the Engineer-in-charge and upto a point just inside the premises of the household or as directed by EIC. Supply and installation of a 15mm dia. alloy iron Bib Cock (tested to 21 Kg/cm2) above 1.0 Mtr. from ground, an alloy Stop Cock of 15 mm dia. with brass spindle (tested to 21 Kg/cm2) to be fitted in a position as directed by E.I.C. G.l pipe of TATA make (medium duly) of 2 metre length with 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. a) Upto 10m length |
| 40 | b) Above 10m upto 20m length |
| 41 | Collection 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. |
| 42 | Repairing work for Existing FHTC on the existing Cl/DI/uPVC/HDPE/GI/AC distribution pipeline with supply, fitting & fixing of all other accessories like saddle piece of required size to fit the existing distribution pipeline, specials, nut & bolts, rubber sheet, washers etc , including cutting trenches in all sorts of soil and filling up trenches as per direction of the Engineer-in-charge. |
| 43 | 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). 75 mm (OD) |
| 44 | 90 mm (OD) |
| 45 | 110 mm (OD) |
| 46 | Add GST @18% on sum of Item No. 1 to 45 |
| 47 | Add Cess @1% on sum of Item No. 1 to 46 |
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