Military Engineer Services-MES has published Tender For Repair/Replacement And Maintenance Of Water Supply Distribution System, Leak Proof Valves And Allied Works At Zone 1C Area Under Age E/M No I Of Ge (U) Secunderabad. Submission Date for this Tender is 07-10-2023. Valve Tenders in Hyderabad Telangana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 30-Sep-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 07-10-2023 |
| Sl. No. | Item Description |
| 1 | M&L for attending repair/rectification ofexternal water supply complaints of GI/CI/DI/PP-R Pipe lines, sluice valves, gate valves of any type and size, Viz any type of leakages, no water supply and other water related complaints including transportation from complaint cell to complaint locations and back to complaint cell along with necessary T&P with provision of necessary excavation, returning and filling in as required at site, tightening of loose joints of union, elbow, sockets etc, cutting/threading and making joints and cleaning for any blockages, opening of float valve of service tanks, cleaning and fixing the same in its position including replacement of GI unions/sockets/nipples etc as required at site under Zone I C of AGE EM No.I areas and the following type of complaints all as specified and directed. |
| 2 | All as per item No 1 here-in-before for GI tubing up to 32mm bore |
| 3 | All as per item No 1 here-in-before but for GI tubing 40 mm bore to 59 mm bore |
| 4 | All as per item No 1 here-in-before but for GI tubing 80 mm bore to 110 mm bore Notes for Sl item No 1 to 1.03:- (a)The contractor will be allotted complaints at MES complaint cell on required basis on all working days including Sundays and holidays and sufficient tradesman / resources will be deployed by him/her for completion of day to day complaints within 12 hours from the time of reporting. Any delay beyond above mentioned time limit without intimation of genuine cause, penalties will be recovered twice of the quoted rate for each un-attended complaint. (b)A detailed log book of complaints with completion/non-completion remarks from users/MES will be maintained by the contractor and the same will be updated on daily basis in consultation with JE E&M/Engineer-in-Charge. (c)The contractor will make suitable arrangement for emergency complaints and will notify authorised representive/Engr-in-Charge about extraordinary circumstances for probable non-completion or delay in rectification of complaints beyond stated time limit set for disposal of complaint.In case of any dispute the decision of accepting officer will be final and binding in this regard. (d)The contractor will intimate MES authority well in advance if electric shutdown is required during rectification of complaints. (e)The quoted rate is deemed to be inclusive of transportation and other expenses required for the resource deployment at the complaint site around scattered Military station at Secunderabad. (f)The contractor will maintain location wise record of each spare/fittings utilized as per inventory format given by AGE E/M, Secunderabd and the same shall be submitted to E/M No Istore yard on daily basis. (g)The stationery required for the job work such as complaint slip books, gate pass book, job card and T&P shall be arranged and maintained by the contractor. (h) The cost of excavation / earth work and repairs to damaged roads, LT UG/HT cables, existing structure etc shall be deemed to be included in the quoted unit rate and no extra payment shall be allowed on this account. (j) Spares/GI fittings required to be replaced and shall be measured and paid separately under respective items. |
| 5 | Taking up defective cast iron water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead from ground, cleaning the pipes free from sedimentation/scaling etc for reusing the serviceable pipes in repairs complete all as specified and directed for the following sizes:- |
| 6 | 80 mm bore. |
| 7 | 100mm bore. |
| 8 | 150mm bore. Note for item Nos 2.01 to 2.03:- Excavation and earth work shall be measured and paid separately. |
| 9 | Re-laying only cast iron pipes obtained from item No.2 above including laying to level or to falls, in trenches or on the ground or on supports complete all as specified and directed for the following sizes:- |
| 10 | 80 mm bore. |
| 11 | 100mm bore. |
| 12 | 150mm bore. Note for item Nos 3.01 to 3.03 :-Lead joints shall be measured and paid separately. |
| 13 | M&L CI pipes with spigot and socket ends centrifugally cast class "LA" in any length suitable for tyton / lead jointslaid in trenches including necessary cut to length to match the existing fitting/pipes, testing and making gooddisturbed surfaces of roads, path ways etc, while laying the pipe line at sitecomplete all as specified and as directed for the following sizes. |
| 14 | 80mm bore. |
| 15 | 100mm bore. |
| 16 | 150mm bore. Note for item Nos 4.01 to 4.03 :-Lead joints shall be measured and paid separately. |
| 17 | Taking up or down GI/PVC/PP-R water tubing and connections including cleaning the pipes free from scaling for reusing the same in repairs / alteration or removable to store etc to water pipes and connections complete all as specified and directed for the following sizes:- |
| 18 | 20 mm bore. |
| 19 | 25 mm bore. |
| 20 | 40 mm bore. |
| 21 | 50 mm bore. |
| 22 | 75/80 mm bore. |
| 23 | 100/110 mm bore |
| 24 | Re-laying /refixing or reroutingof GI/PVC/PP-R old water tubing and connection in new or old position including fittings with old/new bends, elbows, socket nipples, tapers, and reducers etc as per site requirement (on floors, walls and ceilings) complete all as specified and directed. |
| 25 | 20 mm bore. |
| 26 | 25 mm bore. |
| 27 | 40 mm bore. |
| 28 | 50 mm bore. |
| 29 | 75/80 mm bore. |
| 30 | 100/110 mm bore |
| 31 | Supply, lay and fixing steel water tubes,medium grade, ISI marked, galvanized with all fitting laid in trenches complete all as specified and directed forfollowing bore of pipes :- |
| 32 | 20 mm bore. |
| 33 | 25 mm bore. |
| 34 | 40 mm bore. |
| 35 | 50 mm bore. |
| 36 | 80 mm bore. Note :- Excavation and Earth work shall be measured separately. |
| 37 | Supply, laying and testing of Polypropylene random copolymer (PP-R) (PN-16/SDR 7.4)-3 Layerspipes, UV stabilized and antimicrobial welded having thermal stability with and including all PP-R plain & brass threaded polypropylene random fittings fixedsuch as bends, Elbow, Tee, Short Length, Socket, Union, Check Nuts, Nipples etc. (Females/Males as required), suitable for hot cold water supply line including making good disturbed surfaces/cutting chassis in CM 1:3, laid in trenches and including testing complete allas per manufacture’s instruction and all as specified and directed for the following outer dia of pipes. |
| 38 | 20 mm bore (OD) |
| 39 | 25 mm bore(OD) |
| 40 | 40 mm bore(OD) |
| 41 | 50 mm bore(OD) |
| 42 | 75 mm bore(OD) |
| 43 | 90 mm bore(OD) |
| 44 | 110 mm bore(OD) Note :- Excavation and Earth work shall be measured separately. |
| 45 | Supply only GI fittings 20 mm bore, medium grade, ISI marked, smooth finished and make embossed on fittings complete all as specified and directed for the following fittings. |
| 46 | (a) Union |
| 47 | (b) All equal Tee |
| 48 | (c)Socket |
| 49 | (d) Nipple 75mm Long |
| 50 | (e) Nipple 100mm Long |
| 51 | (g) Plug |
| 52 | (h) Elbow |
| 53 | All as per item No 08 here-in-before but for 25 mm bore. |
| 54 | (a) Union |
| 55 | (b) All equal Tee |
| 56 | (c)Socket |
| 57 | (d) Nipple 75mm Long |
| 58 | (e) Nipple 100mm Long |
| 59 | (h) Elbow |
| 60 | (j) Plug |
| 61 | (k) Reducer elbow 25mm x 20mm |
| 62 | All as per item No 08 here-in-before but for 40 mm bore. |
| 63 | (a) Union |
| 64 | (b) All equal Tee |
| 65 | (c)Socket |
| 66 | (d) Nipple 75mm Long |
| 67 | (j) Elbow |
| 68 | (k) Reducer elbow 40mm x 25mm |
| 69 | All as per item No 08 here-in-before but for 50 mm bore. |
| 70 | (a) Union |
| 71 | (b) All equal Tee |
| 72 | (c)Socket |
| 73 | (j) Elbow |
| 74 | All as per item No 08 here-in-before but for 80 mm bore. |
| 75 | (a) Union |
| 76 | (b) All equal Tee |
| 77 | (c)Socket |
| 78 | (g) Elbow |
| 79 | S&F in replacement of unserviceable CI non raising type sluice valveboth ends flanged with CI body, ISI marked, IS 14846, pressure PN 1.6 with SS spindle with clamps and check nuts, operating hand wheel complete all as specified and directed for the following sizes |
| 80 | 80 mm bore. |
| 81 | 100 mm bore. |
| 82 | 150 mm bore. |
| 83 | 200 mm bore. |
| 84 | S&FMJ collar double ended flanged ISI embossed pressure 1.6 including jointing such as rubber gasket, nuts and bolts, washers materials etc complete including replacement of unserviceable sluice valves of any typecomplete all as specified and directed for the following sizes |
| 85 | 80 mm bore. |
| 86 | 100 mm bore. |
| 87 | 150 mm bore. |
| 88 | 200 mm bore. |
| 89 | 300 mm bore. |
| 90 | S&F DI socket ISI embossed pressure 1.6 including jointing such as rubber gasket, etc complete including replacement of unserviceable socket of any typecomplete all as specified and directed for the following sizes. |
| 91 | 100 mm bore. |
| 92 | 150 mm bore. |
| 93 | 200 mm bore. |
| 94 | 300 mm Bore |
| 95 | Supply and fix gun metal gate valve, ISI embossed, conforming to is 781-1984, connected with iron wheel head, screwedat both ends for iron pipes and fixed including taking down of unserviceable gate valve complete all as specified and directed for the following sizes. |
| 96 | 20 mm bore. |
| 97 | 25 mm bore. |
| 98 | 40 mm bore. |
| 99 | 50 mm bore. |
| 100 | S &FPP-R Gate valves (brass insert), with iron wheel head, screwed both ends for PP-R Pipesand fixedin repair forfollowing bore of pipes |
| 101 | 20 mm bore. |
| 102 | 25 mm bore. |
| 103 | 40 mm bore. |
| 104 | 50 mm bore. |
| 105 | Supply and fix Cast Iron Air Valves with two air Outlets, conforming to IS 14845 of size 100 mm dia bore double acting (DS2) heavy duty including providing jointing material such as rubber fiber board gasket, suitable size bolts and nuts and washers, necessary supports, rasing DI pipe 100 mm dia double side and not less than 1.20 Mtr lengthIncluding taking down old unserviceable Air release valve complete all as specified and as directed by Engineer-in-charge. Note :- CI/DI specials required at site are measured and paid separately. |
| 106 | Supply and fix Cast Iron Air Valves with two air Outlets, conforming to IS 14845 of size 150 mm dia bore double acting (DS2) heavy duty including providing jointing material such as rubber fiber board gasket, suitable size bolts and nuts and washers, necessary supports, rasing DI pipe 150 mm dia double side and not less than 1.20 Mtr lengthIncluding taking down old unserviceable Air release valve complete all as specified and as directed by Engineer-in-charge. Note :- CI/DI specials required at site are measured and paid separately. |
| 107 | Excavation in trenches not exc 1.5m wide and not exc 1.5m depth for laying of pipe lines, valve chambers, man holes etc including forming bottom surface to required level and gradient and getting out in hard /dense soil complete all as specified and directed. |
| 108 | Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cms thick in soils complete all as specified and directed. |
| 109 | Removing excavated soil to a distance not exceeding 59m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed. |
| 110 | M&L cutting of road up to a sizenot exc 1.5m wide and not exc 1.5m depth for laying of water pipe lines making good the disturbed surfaces so as to match with existing finishing with PCC 1:2:4 type B1 , cement motor in CM 1:2 complete all as specified and directed |
| 111 | Burning out lead joints of the existing CI mains in position including removing old lead carefully without damaging the pipes etc complete all as specified and as directed for the following sizes:- |
| 112 | 80 mm bore. |
| 113 | 100 mm bore. |
| 114 | 150 mm bore. |
| 115 | 200 mm bore. Note:- Excavation and earth work shall be measured and paid separatelyunder the relevant Sch "A" item. |
| 116 | M&L for lead joint for CI pipes includingspun yarn etc for spigot & socket pipes and fittings complete all as specified and as directed for the following sizes:- |
| 117 | 80 mm bore. |
| 118 | 100 mm bore. |
| 119 | 150 mm bore. |
| 120 | 200 mm bore. |
| 121 | M&L Rubber Gasket joints (Tyton joints) including rubber ring suitable for spigot and socket DI pipe and fittings complete all as specified and as directed for the following sizes. |
| 122 | 150 mm bore. |
| 123 | 200mm bore. Note:- Excavation and earth work shall be measured and paid separately. |
| 124 | S&F ductile iron pressure pipes 200 mm bore, class K7, centrifugally cast with spigot and socket ends conforming to IS 8329/2000 with cement mortar lining inside the pipes and outside zinc coating suitable for push-on-joint including (rubber gasket D jointing) inany length as required at site confirming to IS 8329/2000 and all jointing materials and making good for disturbed surfaces of roads, path ways etc while laying the pipe line at site, site clearance for the route of pipe line, welding, cutting the existing CI/DI/MS pipe line of any size up to 400 mm bore for inserting branch connections etc including taking down old existing one completeall as specified and directed :- Notes:- (a)DI pipe shall be laid in trenches at a depth of 1.0 to 1.5 m below the existing GL (b)DI specials will be measured and paid separately. (c) The contractor is responsible for obtaining the approval from Police Department for Traffic Diversion and related works if required in consultation with the MES department. (d) Contractor is responsible for repair/replacement of any damages to the existing structures, Under Ground HT/LT/OFC Cables etc during the course of execution. |
| 125 | All as per Item No.above , here in before but 150 mm ductile iron pressure pipe |
| 126 | All as per Item No.above , here in before but 100 mm ductile iron pressure pipe Notes:- (a)DI pipe shall be laid in trenches at a depth of 1.0 to 1.5 m below the existing GL (b)DI specials will be measured and paid separately. (c) The contractor is responsible for obtaining the approval from Police Department for Traffic Diversion and related works if required in consultation with the MES department. (d) Contractor is responsible for repair/replacement of any damages to the existing structures, Under Ground HT/LT/OFC Cables etc during the course of execution. |
| 127 | M&L for Construction of brick masonry valve chamber of size 1000 x 1000 x 1000 mm (Internal dimensions) with PCC foundation 1:4:8 type D2 using 40 mm graded stone aggregate, 159 mm thick, 159 mm wide off sets all-round over 100 mm thick hard core, brick masonry walls built in CM 1:6, 59 mm thick PCC 1:2:4 Type B1 coping finished even and smooth, rendering 10 mm thick in cement mortar (1:6) finished even and smooth, with out using extra cement internally and 159mm below GL externally and top of floor including excavation, earth work in hard/dense soil, 5 mm thick MS sheet cover fixed on 59 mm x 59 mm x 6 mm thick angle iron frame with hold fasts embedded in PCC coping with locking arrangement, mild steel handle and painting to steel surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including disposal of surplus soil to a distance not exceeding 59 m etc complete all as specified and directed. |
| 128 | Disconnecting the delivery pipe line and electric connections of submersible pump set of 7.5 HP / 5 HP and removing it from its original position along with pipes and fittings carefully including chain pulley with tripod and transporting the same to the work shop situated within thecity limits for repair and lowering including all pipes and fittings by means of chain pulley and tripodincluding connecting up of water and electric connections, testing andcommissioning complete all as specified and directed. Notes:- (i)Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to work shop and back are deemed to be included in unit rate quoted. (ii) Labour element is deemed to be included in unit rate quoted. (iii)Replacement of worn out parts and rewinding will be measured and paid separately. |
| 129 | M&L for rewinding ofthesubmersible motor with PVC insulated conductor with super enameled copper conductor,‘F’ class heavy grade insulation, weight and turns to achieve its full efficiency including tying the winding and connecting the coils and brining the connections as that of existing one including applying insulating varnish, heating and backing the windings thoroughly for submersible motor of 7.5 HP capacity including taking down old unserviceable existing copper winding complete all as specified and directed. |
| 130 | All as per item No 39 here-in-before butfor thesubmersible motor 5 HP capacity. |
| 131 | Supply only the following spares for repairs of submersible pump set of 7.5 HP capacity complete all as specified and directed. |
| 132 | Gun metal impeller |
| 133 | Stage casing |
| 134 | Stage casing bush (LB) |
| 135 | SS sleeves |
| 136 | Pump shaft |
| 137 | Pump coupling |
| 138 | Discharge outlet bush LB |
| 139 | Discharge outlet SS sleeves |
| 140 | Supply only the following spares for repairs of submersible pump set of 5 HP capacity complete all as specified and directed. |
| 141 | Motor bearing bush (LB) 04 Nos set |
| 142 | Thrust bearing set |
| 143 | NRV body |
| 144 | Section bush |
| 145 | Middle bush LB |
| 146 | Middle SS sleeve |
| 147 | Rotor (RE) work |
| 148 | Opening Mono block pump set 5 HP capacity for inspection, repairs and reassembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered including cleaning, replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surfaces, making the pump and motor fully serviceable including machining etc and testing the both after refixing and commissioning for satisfactory operation on its full load complete all as specified and directed. |
| 149 | M&L for rewinding ofthemono block pump set 5 HP capacity with PVC insulated conductor with super enameled copper conductor‘F’ class heavy grade insulation, weight and turns to achieve its full efficiency including tying the winding and connecting the coils and brining the connections as that of existing one including applying insulating varnish, heating and backing the windings thoroughlyincluding taking down old unserviceable existing copper winding complete all as specified and directed. |
| 150 | Supply only the following spares for repairs of Mono block pump set of 5 HP capacity:- |
| 151 | Ball bearing |
| 152 | Blind bush Gun metal |
| 153 | Gland rope nut |
| 154 | Terminal |
| 155 | Opening Mono block pump set 7.5/10 HP capacity for inspection, repairs and reassembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered including cleaning, replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surfaces, making the pump and motor fully serviceable including machining etc and testing the both after refixing and commissioning for satisfactory operation on its full load complete all as specified and directed. |
| 156 | M&L for rewinding ofthemono block pump set 7.5/10 HP capacity with PVC insulated conductor with super enameled copper conductor‘F’ class heavy grade insulation, weight and turns to achieve its full efficiency including tying the winding and connecting the coils and brining the connections as that of existing one including applying insulating varnish, heating and backing the windings thoroughlyincluding taking down old unserviceable existing copper winding complete all as specified and directed. |
| 157 | Supply only the following spares for repairs of Mono block pump set of 7.5/10 HP capacity:- |
| 158 | Ball bearing |
| 159 | Impellers |
| 160 | PCV fan |
| 161 | Gland rope |
| 162 | Gland rope flang set |
| 163 | S&F DOL starter 3 phase 415 Volts, 7.5 HP capacity rating 14 Amps, relay range 9 to 14 Amps, MK-1, including connecting up of incoming and outgoing connections and testing commissioning, including removingthe existing unserviceable one complete all as specified and directed. |
| 164 | S&F submergible pump controller stator in sheet metal enclosure 3 phase 415 Volts, 5 HP capacity rating 32 Amps, relay range 20-32 Amps, Type MF -G3 $including connecting up of incoming and outgoing connections and testing commissioning, including removingthe existing unserviceable one complete all as specified and directed. |
| 165 | S&F in repairs CI foot valve leather sheet type / flange type suitable for 80 mm dia GI suction heavy duty including replacement of nuts, bolts washers, gaskets and flanges etc. complete all as directed and specified by Engineer-in-charge. |
| 166 | S&F in repairs CI foot valve leather sheet type / flange type suitable for 100 mm dia GI suction heavy duty including replacement of nuts, bolts washers, gaskets and flanges etc. complete all as directed and specified by Engineer-in-charge. |
| 167 | S&F connecting and testing in repairs of non return valve of size 80 mm dia ISI marked , as per IS 5312 both ends flanged CI body with check nuts including jointing material complete all as specified and directed by Engineer-in-Charge. |
| 168 | S&F connecting and testing in repairs of non return valve of size 100 mm dia ISI marked , as per IS 5312 both ends flanged CI body with check nuts including jointing material complete all as specified and directed by Engineer-in-Charge. |
| 169 | Supply and lay submersible copper conductor cable 1100 volts grade PVC insulated, flexible, PVC sheathed with multistranded copper conductor of size 3 core 6 Sq mm cutting to required length connecting with necessary end ferrules / water proof joints including removing the existing unserviceable cable complete all as specified and directed |
| 170 | M&L Flushingof existing bore wells of size 150 mm dia, 150 Mtrs depth with drilling compressorincluding surgingand flushing the bore at a pressure of 7 Kg / Sq cm complete with compressed air andflushing the sand, mud etc from the bore well till discharge of the fresh water, including testing of watersamples for chemical and bacteriological tests and yield testing for 8 hours complete all as specified and directed . |
| 171 | S&F single phase preventer, SPPR type 360/380/415 volts suitable up to 7.5 HP pump including connecting up of wire / cable testing complete including removing the existing unserviceable one all as specified and directed. Make:-L&T Cat Part No CS81809OOOO orequivalent make in Indio Asian/Leagrand/ HPL. |
| 172 | Supply only free chlorine testing kit paper strips (Colome metirc TMG) for detection levels (0.05, 0.1, 0.2, 0.4, 0.6, 0.8, 1.2, 1.5, 2.0, 4.0, 6.0 ppm (Mgle) test time 40 seconds having each bottle of 50 test strips complete all as specified and directed. |
| 173 | Design Fabricating supply and erectingconnecting and testing totally enclosed LT cubicle panel board3 Phase 4 wire system outdoortype front openabletype, separate compartment for each control gear, cable alley,provision ofknock out type plates for various sizes of cablein and out, incoming and out going feeders duly marked on revited plates etc complete CPRI approved factory madefabricated out of3.15 mm thick CRCA sheet duly treatedthrough 7 tank pre treatment process andpaintedwith epoxy powder coated mat finish ofSIEMENS GREY structural RAL 7032 shade colour built in industrial type locking arrangement on front and back, and pre wired with PVC insulated multi stranded copper conductor for controls and monitors, PVC sleeved aluminium strip for connecting MCCBs ,Panel mounted on Angle iron frame of 50x50x6mm thick duly painted and embeded in PCC 1:3:6, typeC2 using 40 mm graded stone aggregate, 45 CM below ground level and 15 Cm above ground level including taking down old existing one and consisting the following provisions:- (a) MCCB 63 Amp 25 KA 4 pole -1 No (b) DOL starter Heavy duty 7.5 HP with relay 9-14 Amp - 1No (c) Single phase preventer -1No (d) Pump ON and Supply ON indicator- 1 Set (e) Phase reversal protection for protecting motor from reverse running. |
| 174 | Supply only TCCA 90% Chlorine (Trichloroisocyanuric Acid), effective content of chlorine % : = 90, Content of water % : = 0.5, PH Value of 1% Solution: 2.7 to 3.3, Granular Chlorine/Tablet in packing of 50 kg complete all as specified and directed. |
| 175 | M&L for painting of water distribution header including all control valves and all exposed pipe of any sizeby using synthetic enameledspraypainting after scrapping /cleaning complete all as directed at Napiers line |
| 176 | Supply only Water treatment chemical calcium hypo Chloride 65%-70% chlorine content (calcium based granular disinfectant for water treatment, packedin 45 kg drum complete all as specified and directed. |
| 177 | Taking down old unserviceable HDPE Pipe and High density polyethylene pipes (HDPE) of pressure rating 20 kgf/cm2 including socket for fixing with pump in borewell of size of size 50 mm complete all as specified and directed by Engr-in-Charge |
| 178 | Taking down old unserviceable HDPE Pipe and High density polyethylene pipes (HDPE) of pressure rating 20 kgf/cm2 including socket for fixing with pump in borewell of size 40 mm complete all as specified and directed by Engr-in-Charge |
| 179 | Supply and laying pipes ERW steel including specials, nominal dia 200mm as per IS 3589 (1981) 6.00mm thick and including cutting work, welding work and taking down of unserviceable ERW/CI pipe complete all as specified and directedby Engineer-in-Charge. |
| 180 | M & L for GI pipe heavy grade 50mm dia, cut into 3.0 Mtr length including providing of threading on both sides and lowering into the existing bore well along with existing GI pipe for increasing the length of the borewell pipe as in repairs complete all as specified and directed. |
| 181 | Reboreing/re-Drillingof existing borewell up to 350 mm dia, from the existing depth, at any type of strataby mud flash rotating equipment,from the Existingdepth to 100 Meters . Notes:- (i) Water injection charges if required (ii) Transport Charges , (iii) , Vehicle settlings & Flashing charges (iv)Expendable stores like cotton waste / cleaning materials, (v)Labour element. should beincluded in unit rate quoted. |
| 182 | 100 Mtr to 200 Meters |
| 183 | M&L for measuring exact depth of borewell by lowering 1/4" dia wire rope with its rolling stand all as specified and directed by Engineer-in-Charge. |
| 184 | M&L for cleaning of existing column pipes (3 Mtr length ) duly scraping, cleaning and painting complete through anti corrosive black bituminous paint all as per directed by engr-in-charge |
| 185 | Supply fix Steel wire rope anti corrosion (SS) of cage 6 mm thickness for fixing submersible pumps includingnecessary nut , bolt & clamps all as specified and directed by Engineer-in-Charge |
| 186 | Cutting anxious green growth/vegetation growth for cleaning out the area around STP AND E/M installations by JCB or Men Power at ground level by cutting out roots, un wanted plants bushes and removal of the same by surface excavation not exceeding 30 cm deep average 15 cm |
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