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| 1 | M & L for disconnecting and stopping of incoming and outgoing pipes by means of hesian cloth to avoid choking of distribution pipe lines, removing complete water from the over head tank cleaning of over head tanks any staging hight of capacity 50000 gallon in Fort Cantt,Prayagraj including writing date of cleaning on over head tank on pillar with synthetic enamel paint, including painting with one coat synthetic enamel paint after cleaning of steel surface and pipes with existing shade and apply two coat of weather proof paint with admixtures (in any colour or tint as approved by GE) on wall/ concrete surface / pillar /dome and ceiling of RCC OH tank on external surface after brooming/scraping down of old surface with preparation of surface with writing on OH tank on pillar date of cleaning , capacity of tank & including repairs of wire net/mesh of stainless steel wire 1.4 mm dia fixed with tacks of ventilation of tank as directed by Engineer- in -Charge comprising of pre operations mentioned below:- (a) In the first step dewatering of the tank shall be carried out by opening drain out valve (b) In the second step,removal of left over dirty water and sludge with suitable sludge removal pump shall be carried out. |
| 2 | Contd/.... (c) In the third step,cleaning of internal walls,floors,ceiling of tank shall be carried out by high jet pressure of machine of water shall not be less than 80-120 bar and ensured that no dirt,sludge or moss remain on surface of tank. (d) In the fourth step,the remaining sludge shall be removed from the floor with the help of industrial vaccum cleaner. (e) In the fifth step,tank shall be sterilized by spraying anti bacterial agent using same high pressure machine. This agent should be of agent tank cleaning or equivalent as approved by GE. Dose of this agent must be as per OCED guidelines 423 adopted on 17 Dec 2011 (i.e. 1 litre of concentrated agent mixed with 40 ltrs water to produce mixture 1 litre of this mixture shall be used to disinfect 10000 ltrs capacity tanks and higher capacity tanks in position. (f) In the last step,treatment of inside of tank by exploring UV radiation to kill further suspended or floating bacteria. This is to be done by glowing UV lamp inside tank as per NSF standard 55-1991(I.e. 16000 µW-sec/Cm² or in other words 3-5 minutes according to capacity of tank) |
| 3 | Contd/.... Note:- (i) The work should be got executed through reputed specilized water tank cleaner and shall be approved by GE before commecement of work. (ii) After completion of work a certificate regarding bacteria free shall be submitted to Deptt by the contractor for satisfaction of Engineer-in-Charge duly signed. (iii) Coloured photographic evidence of stage wise cleanig of OHT shall be submitted in duplicate to the Deptt. (iv) Date of cleaning and capacity of tank will be written on OHT with paint with letters or figures (Block, Roman) not less then 300mm high complete all as directed. (v) The cost for above requirement is deemed to be included in the unit quated rates and no extra payment shall be made on this account & not any claim entertaned at later stage on this purpose. |
| 4 | M & L for disconnecting and stopping of incoming and outgoing pipes by means of hesian cloth to avoid choking of distribution pipe lines, removing complete water from the UG Sump tank cleaning of UG Sump tanks any staging capacity 25000 gallon in Fort Cantt,Prayagraj including writing date of cleaning on UG Sump tank on pillar with synthetic enamel paint, including painting with one coat synthetic enamel paint after cleaning of steel surface and pipes with existing shade and apply two coat of weather proof paint with admixtures (in any colour or tint as approved by GE) on wall/ concrete surface / pillar /dome and ceiling of UG Sump tank on external surface after brooming/scraping down of old surface with preparation of surface with writing on UG Sumpon pillar date of cleaning , capacity of tank & including repairs of wire net/mesh of stainless steel wire 1.4 mm dia fixed with tacks of ventilation of tank as directed by Engineer- in -Charge comprising of pre operations mentioned below:- (a) In the first step dewatering of the tank shall be carried out by opening drain out valve (b) In the second step,removal of left over dirty water and sludge with suitable sludge removal pump shall be carried out. |
| 5 | Contd/... (c) In the third step,cleaning of internal walls,floors,ceiling of tank shall be carried out by high jet pressure of machine of water shall not be less than 80-120 bar and ensured that no dirt,sludge or moss remain on surface of tank. (d) In the fourth step,the remaining sludge shall be removed from the floor with the help of industrial vaccum cleaner. (e) In the fifth step,tank shall be sterilized by spraying anti bacterial agent using same high pressure machine. This agent should be of agent tank cleaning or equivalent as approved by GE. Dose of this agent must be as per OCED guidelines 423 adopted on 17 Dec 2011 (i.e. 1 litre of concentrated agent mixed with 40 ltrs water to produce mixture 1 litre of this mixture shall be used to disinfect 10000 ltrs capacity tanks and higher capacity tanks in position. (f) In the last step,treatment of inside of tank by exploring UV radiation to kill further suspended or floating bacteria. This is to be done by glowing UV lamp inside tank as per NSF standard 55-1991(I.e. 16000 µW-sec/Cm² or in other words 3-5 minutes according to capacity of tank) |
| 6 | Contd/... Note:- (i) The work should be got executed through reputed specilized water tank cleaner and shall be approved by GE before commecement of work. (ii) After completion of work a certificate regarding bacteria free shall be submitted to Deptt by the contractor for satisfaction of Engineer-in-Charge duly signed. (iii) Coloured photographic evidence of stage wise cleanig of UG Sump shall be submitted in duplicate to the Deptt. (iv) Date of cleaning and capacity of tank will be written on UG Sump with paint with letters or figures (Block, Roman) not less then 300mm high complete all as directed. (v) The cost for above requirement is deemed to be included in the unit quated rates and no extra payment shall be made on this account & not any claim entertaned at later stage on this purpose. |
| 7 | Supply and Mixing Calcium based granular disinfectant for water treat ment drinking water with 60 to 70 % chlorine contents by volume conforming to IS-15738 in sealed plastic containers of 45 kg, as required on monthly basis with manufacturer's chlorine test certificate and manufacturer's date marked not more than 02 week old , complete all as specified and directed.NOTES:- (i) Approval of chemical (Calcium granular) shall be given after verification of test certificates of chemical of various manufactures and other factors like chemical and safety and health hazard aspects of usage of chlorination(ii) The brand/make of the chlorination of chemical must be stated before procurement and certified by govt laboratory that it is free from the technical strength stahbility health safety and operation point of view this product is ued for drinking water applications for consumption by humans and the brand /make of calcium hypochlorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory. |
| 8 | Disconnecting and taking down existing unserviceable sluice valve 80 mm bore from pipe line including flanged joints fittings and removing from site. |
| 9 | Disconnecting and taking down existing unserviceable sluice valve 100 mm bore from pipe line including flanged joints fittings and removing from site. |
| 10 | Disconnecting and taking down existing unserviceable sluice valve 150 mm bore from pipe line including flanged joints fittings and removing from site. |
| 11 | S&F of 80mm bore sluice valve heavy duty both ends flanged and drilled type nominal pressured rating PN-1.6, conforming to IS 14846 of 2000 complete with cast iron body bonnet wedge stuffing box galvanised thrust plate, spindle made of high tensile stainless steel cast iron hand operated wheel with cap top nuts, bolts. washers wedge nut body seal ring and wedge facing run lead tin braise, compressed fibre bolts and nuts, gland packing of superior quality including 6mm thick rubber gasket joint complete all as specified and directed |
| 12 | Ditto all as per item No. 7 but 100mm bore |
| 13 | Ditto all as per item No. 7 but 150mm bore |
| 14 | M & L in repair for of single headed Hydrant valve inlet type 'A' with 63 mm/65 mm dia bore with 63 mm /65 mm dia bore female coupling instanataneous outlet ISI marked IS:5290 (1993) including cost of mild steel flange pacing washer including taking down of old Hydrant valve all as directed by Engr-in-Charge. |
| 15 | S & F in repair flanged GI pipe for fire hydrant of size 65mm bore and 60 cm long of medium grade (ISI MARK) having a drilled GI flanges welded at both ends with the help of nut and bolts complete all as specified & directed. |
| 16 | M&L for painting of panel board with one coat of synthetic enamel paint by spay machine including preparation of the existing surface including scartching of old paint wherever required , rubbing & cleaning of the greasy spot by means of kerosene oil or other suitable chemical with safety precaution & all disconnected electrical connections are connected and before painting shut down complete all as specified & directed. |
| 17 | Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or laying of cables/pipes etc. and getting out in soft/loose soil complete all as specified and directed. |
| 18 | Cutting of road (bituminus/concrete) in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for shafts, valve pits, wells, cesspits, manholes, pier holes,laying of cables/pipes etc. not exceeding 1.5 m in depth and getting out in road cutting soil complete all as specified and directed. |
| 19 | Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed. |
| 20 | Removal of surplus excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. |
| 21 | Supply, Laying, jointing & testing for 80 mm bore galvanized steel water tubes, 'medium grade', galvanized with new fittings & accessories such as Tee,elbow,bend,socket,reducer etc., laid in trenches including taking out old/ unserveciable existing pipe complete all as specified & directed. |
| 22 | Ditto all as per above item No.17 but 50mm bore |
| 23 | Ditto all as per above item No.17 but 40mm bore |
| 24 | Ditto all as per above item No.17 but 25mm bore |
| 25 | Ditto all as per above item No.17 but 20mm bore |
| 26 | Ditto all as per above item No.17 but 15mm bore |
| 27 | M&L for laying, jointing,commissioning & testing 150 mm dia Ductile iron welded double flanged Pipe centrifugally cast, class K-9 conforming to IS 8329 (2000), in any length, jointing with rubber / fibre joints in trenches including taking out old/ unservicable existing pipe complete all as specified and directed. |
| 28 | Ditto all as per above item No 23 but 100mm dia |
| 29 | S&F in repair Gun-metal gate valve with iron wheel head, screwed both ends for iron pipe of size 15mm bore. |
| 30 | S&F in repair Gun-metal gate valve with iron wheel head, screwed both ends for iron pipe of size 20mm bore. |
| 31 | S&F in repair Gun-metal gate valve with iron wheel head, screwed both ends for iron pipe of size 25mm bore. |
| 32 | S&F in repair Gun-metal gate valve with iron wheel head, screwed both ends for iron pipe of size 40mm bore. |
| 33 | S&F in repair Gun-metal gate valve with iron wheel head, screwed both ends for iron pipe of size 50mm bore. |
| 34 | Taking up or down old steel tubing 15 mm bore and connections from trench/floor/along wall including cleaning for refixing or removal from site (excavation and earth work shall be measured and paid for separately). |
| 35 | Ditto all as per item No. 30 but GI tubing of size 20 mm bore. |
| 36 | Ditto all as per item No. 30 but GI tubing of size 25 mm bore. |
| 37 | Ditto all as per item No. 30 but GI tubing of size 40 mm bore. |
| 38 | Ditto all as per item No. 30 but GI tubing of size 50 mm bore. |
| 39 | Ditto all as per item No. 30 but CI/ GI tubing of size 80 mm bore. |
| 40 | Ditto all as per item No. 30 but CI/ DI tubing of size 100 mm bore. |
| 41 | Ditto all as per item No. 30 but CI/ DI tubing of size 150 mm bore. |
| 42 | Supply, Laying, jointing and testing PP-R concealed pipes 3 layer in repair 20mm outer dia PN 16 with all fittings fusion welded having thermal stability for water supply , laid in trenches or alongwall or roofs and in floors etc complete all as specified and as directed (excavation and earth work shall be measured and paid for separately) |
| 43 | Ditto all as per item No. 38 but size of tubing 25 mm outer dia. |
| 44 | Ditto all as per item No. 38 but size of tubing 32 mm outer dia. |
| 45 | Ditto all as per item No. 38 but size of tubing 50 mm outer dia. |
| 46 | Ditto all as per item No. 38 but size of tubing 63 mm outer dia. |
| 47 | Ditto all as per item No. 38 but size of tubing 90 mm outer dia. |
| 48 | Ditto all as per item No. 38 but size of tubing 110 mm outer dia. |
| 49 | M&L in repair for replacement of PP-R Gate Valve (brass insert) of 25mm bore complete with necessary fittings as required at site complete all as specified and as directed. |
| 50 | Ditto all as per item No. 45 but size of gun metal gate valve 50 mm bore. |
| 51 | Ditto all as per item No. 45 but size of gun metal gate valve 63 mm bore. |
| 52 | M&L in repair ductile iron fittings or specials for flanged / spigot socketed end pipe upto 150 mm bore conforming to IS-1538 and ISI marked such as bends , tapers, tee pieces (single & double branch) any type, and angle/radios amd Straight connecting pieces but all ends flanged complete (joints, excavation and earth work shall be measured and paid separately) |
| 53 | M&L in repair for replacement of PP-R Flange socket of 110mm bore complete with necessary fittings as required at site complete all as specified and as directed. |
| 54 | Ditto all as per item No. 49 but size of Flange socket 90 mm bore. |
| 55 | Ditto all as per item No. 49 but size of Flange socket 63 mm bore. |
| 56 | Ditto all as per item No. 49 but size of Flange socket 50 mm bore. |
| 57 | M&L in repair for replacement of PP-R Slip -on Flange of 110mm bore complete with necessary fittings as required at site complete all as specified and as directed. |
| 58 | Ditto all as per item No. 53 but size of Slip-on Flange socket 90 mm bore. |
| 59 | Ditto all as per item No. 53 but size of Slip-on Flange socket 63 mm bore. |
| 60 | Ditto all as per item No. 53 but size of Slip-on Flange socket 50 mm bore. |
| 61 | M & L repair for run lead joint for cast iron spigot and socket pipes and fitting of size 100mm bore including taking down existing lead joint complete all as specified and directed. |
| 62 | M & L repair for run lead joint for cast iron spigot and socket pipes and fitting of size 150mm bore including taking down existing lead joint complete all as specified and directed. |
| 63 | Drilling and tapping cast iron water mains (in position) for branch connections for 15 mm bore internal dia including necessary fittings and mild steel brackets of suitable size of pipe complete all as specified & directed. |
| 64 | Drilling and tapping cast iron water mains (in position) for branch connections for 20 mm bore internal dia including necessary fittings and mild steel brackets of suitable size of pipe complete all as specified & directed. |
| 65 | S & F repairs non return sluice valve 150 mm bore cast iron both end flanged including material and labour for joints, repairs of rubber/ fibre joints gasket , nut, bolts , washers in repairs, length as per existing NRV complete including taking down unserviceable NRV all as specified and directed by Engineer-in-charge. Please Enable Macros to View BoQ information |
| 66 | S & F repairs non return sluice valve 150 mm bore cast iron both end flanged including material and labour for joints, repairs of rubber/ fibre joints gasket , nut, bolts , washers in repairs, length as per existing NRV complete including taking down unserviceable NRV all as specified and directed by Engineer-in-charge. Please Enable Macros to View BoQ information |
