REPAIR/ REPLACEMENT OF WATER SUPPLY DISTRIBUTION PIPE LINE, VALVE CHAMBER, SULICE VALVE AND OTHER ALLIED WORKS AT A AND B AREA UNDER AGE E/M OF GE SUKNA

Amount

Excavation in trenches not exc. 1.50 m wide and not exc. 1.50 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc. 10 Sqm on plan and getting out in soft / loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick with soils complete all as specified and directed.

Removing of excavated surplus soils to a distance not exc 50 m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.

S&F 20 mm bore gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe and fixed including taking down complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

All as per SI item No 4 above but 25 mm bore.

All as per SI item No 4 above but 40 mm bore.

All as per SI item No 4 above but 50 mm bore.

All as per SI item No 4 above but 80 mm bore.

S&F 20 mm bore galvanised steel water tubing medium grade and including necessary GI fitting (such as bends, elbows, tees etc.) and laid in trenches including taking down of old pipe complete all as specified and directed. Make - Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

All as per SI item No 9 above but 25 mm bore.

All as per SI item No 9 above but 40 mm bore.

All as per SI item No 9 above but 50 mm bore.

All as per SI item No 9 above but 80 mm bore.

All as per SI item No 9 above but 100 mm bore.

S&F and Testing, ISI marked (with IS No 14846:2000), heavy duty, class PN 1.6, CI body Sluice Valve, with brass spindle and one number hand wheel for 80 mm bore pipe/fittings, with both ends flanged duly jointed at both ends with and including joingting materials i.e. rubber gasket, bolts, nuts, washers etc of suitable size, also including dismantling and taking out of existing unserviceable sluice valve from pipe line, complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

All as per Sl item No 15 above but 100 mm bore.

All as per Sl item No 15 above but 150 mm bore.

All as per Sl item No 15 above but 200 mm bore.

M&L construction of brick masonry valve pit of size 600 x 600 x 600 mm (internal dimensions) with and including one brick thick wall built in CM (1:4) over 100 mm thick PCC (1:4:8) type D-2 (using 40 mm graded crushed stone aggregate) as in foundation, 50 mm thick PCC 1:2:4 type B1 coping on top of wall, 15 mm thick rendering in CM (1:4) on internal & exposed external surface upto 15 cm below GL, valve pit cover made with 3.15 mm thick MS sheet, openable in two leafs with necessary locking arrangement, hinges, handles, 40 x 40 x 5 mm angle iron frame fixed on top of valve pit using MS flat iron 40 x 5 mm hold fast 150 mm long, painting MS cover and frame with two coats of synthetic enamel paint over a coat of red oxide primer and including necessary earth work in any type of soil and dismantling complete all as specified and directed. Make of paint:- Jotun India Pvt Ltd / Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd (Borolac) / Shalimar Paints Ltd (Superlac)

All as per Sl item No 19 above but 900 x 900 x 900 mm.

All as per Sl item No 19 above but 1000 x 1000 x 1000 mm .

All as per Sl item No 19 above but 1200 x 1200 x 1200 mm.

Taking out carefully complete filter media from the existing filter beds (21,000 Gallons – 02 Nos, 10,000 Gallons – 01 No) and stacking in segregation size/ item wise (viz. gravell/grit/ sand) outside the plant house, distance exc 20 m and n.exc 50 m complete all as specified and directed.

M&L for Washing thoroughly the filter media recovered under Sr. item No. 23 above with lime and bleaching powder solution and rewashing with clear water thoroughly to remove any trace of chemical agents complete all as specified and directed by engr-in-charge.

Labour only for Screening and segregating of materials recovered from the filter media and throwing away the unserviceable materials to a distance exc 50 m and n.exc 100 m complete all as directed.

M&L for Cleaning of empty filter bed chamber 21,000 gallons capacity - 2 Nos including taking out silt deposit at bottom and cleaning of AC perforated 25 m long pipes fixed at bottom of the filer bed including replacement of broken AC perforated pipe with all necessary fitting as required and directed. Note: AC perforated pipe shall be measured and paid separately.

S&F AC perforated pipe 80 mm bore dia complete all as specified and directed.

Laying of old serviceable filter media obtained under ser item No. 23 above in the existing filter bed of RCC filter as per the following arrangement: (a) 1st layer 2” x 1 ½ gravel = 3”thick (b) 2nd layer 1 ½ x ½” gravel = 3” thick (c) 3rd layer 1/3” x ¼” gravel = 4” thick (d) 4th layer 3/8” x 1/8” gravel = 4” thick (e) 5th layer 1/10” x ¼” gravel = 6” thick (f) 6th layer 16/30 sand = 2’-0” deep Note:- i) After washing filter media, if the quantity decreased or replacemant is required, filling of new filter media shall be measured and paid separately. ii) The above layer of filter media are tentative which may vary as per directive given by Engr- in- Charge.

Supply and laying properly screened cleaned and washed sea gravel of size 2” x 1 ½” (Barakar) complete as specified and directed.

All as per ser item No. 29 above but of size 1 ½” x ½”.

All as per ser item No. 29 above but of size 1/3” x ¼”.

All as per ser item No. 29 above but of size 3/8” x 1/8”.

All as per ser item No. 29 above but of size 1/10" X 1/14".

Taking out filter agents/media carefully from existing MS pressure filter of 35,000 Gallons capacity having filter media 35CUM (Approximate), cleaning thoroughly inner surface of filter 27 Sqm (Approximate) by scrapping and washing with water, removing silt / rust formation / old paint out of the filter & disposing at a distance n exc 50 m screening/segregating serviceable filter media, washing with lime/bleaching powder solution, cleaning, finally washing with clear water and & re-filling the same in filter in accordance as per original layout/arrangement after painting internal surface of tank including filling/laying of new filter media (as required), replacement of damaged PVC strainers and fixing of old serviceable PVC strainers complete all as specified and directed. Note :- Supply of New filter media, Supply of New PVC strainers and M&L for painting work will be measured and paid separately under relevant item

Supply only PVC strainer suitable for MS pressure filter of 35,000 Gallons capacity as per existing complete all as directed. Note : Supply of New filter media, Supply of New PVC strainers and M&L for painting work will be measured and paid separately under relevant item.

Supply only 8/12 mesh coarse sand (Barakar), screened & cleaned for pressure filters complete all as directed.

Supply only 16/30 mesh coarse sand (Barakar), screened & cleaned for pressure filters complete all as directed.

M&L for cleaning and removing of settled silt and mud mixed with sand, gravel etc, manually from hopper tank of size 25 x 32 feet (approximate) at top, 4 x 4 feet (approximate) at bottom & 30 feet (approximate) depth and including disposal of debris to a distance n.exc. 100 m, pumping out of stagnated water with suitable pump and scraping of inner surface of the hopper tank by wire brush and removing moss formation, scraping out deposited rust / paint etc. from the channels / pipe fitted inside the hopper tank and preparation of surfaces and applying one coat of drinking water grade water resistance bituminous paint with necessary T&P, as and when required at site complete all as specified and directed.

Cleaning and removing of silt / mud / sand / shingle etc, from the river stream of length 60 m, 1.2 m wide and 1.2 m depth of intake channels to facilitate flow / conveying of water to the desired extent and including disposal of debries to a distance n.exc. 50 m with necessary T&P, as and when required at site complete all as specified and directed.

Cleaning and removing of silt and dense mud clay mixed with sand, shingle, gravel etc, from collector pond of size 11.30 x 5.75 x 3.00 m approximately (cleaning of mud upto 0.5 m depth maximum) and including disposal of debries to a dostance not exc. 250 m and cleaning of choked / partially choked 6 Nos. intake pipes leading to adjacent pre-sedimentation tank with necessary T&P, as and when required at site complete all as specified and directed.

Cleaning and removing of settled silt and dense mud mixed with sand / shingle / gravel etc, from intake tank of size 13.50 x 4.50 x 3.90 m approximately (upto 1.3 m depth maximum) and including disposal of debries to a distance n.exc. 100 m, thorough cleaning and scraping out all moss formation, cleaning the internal surface of reservoir with bleaching powder with necessary T&P, as and when required at site complete all as specified and directed.

All as per Sl. item No. 41 above but from intake tank of size 5.50 x 2.50 x 4.00 m.

Cleaning and removing of mud with sand from 2,50,000 gallons capacity RCC circular sedimentation tank, constructed in two concentric RCC chambers of 1,25,000 Gallons capacity each and including disposal of debris to a distance n.exc. 100 m with necessary T&P, as and when required.

Cleaning and removing of settled silt and mud from existing clarifier set (RCC) 40,000 gallons capacity and including disposal of debris to a distance n.exc. 100 m and thorough cleaning and scrapping out all moss formation and final treatment of the inner surface of the tank with bleaching powder solution with necessary T&P, as and when required at site complete all as specified and directed.

Cleaning and removing of settled silt and mud from existing flocculator set (RCC) 40,000 gallons capacity and including disposal of debris to a distance n.exc. 100 m and thorough cleaning and scrapping out all moss formation and final treatment of the inner surface of the tank with bleaching powder solution with necessary T&P, as and when required at site complete all as specified and directed.

Cleaning and removing of settled silt and mud from existing clear water sump set (RCC) 100000 gallons capacity and including disposal of debris to a distance n.exc. 100 m and thorough cleaning and scrapping out all moss formation and final treatment of the inner surface of the tank with bleaching powder solution with necessary T&P, as and when required at site complete all as specified and directed.

M&L for cleaning of RCC underground water sump of 5000 gallons capacity by pumping out the accumulated water using pumpset and including removing the complete sludge by suction process using either suction pump or vacuum process, cleaning internal surface completely by scraping and washing using high pressure water jet to dislodge all the mud, dirt, algae, fungus and layers of calcinations etc., vacuum cleaning to remove dislodged waste, cleaning with bleaching powder on internal surface of the sump to make it sterilize and take care of any further suspended bacteria, viruses which might have remained in the tank without disturbing the water supply to the area and including painting the details of sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire tank internal and external exposed surfaces complete all as specified and directed.

As as per item No. 47 above but 20,000 Gallons capavity.

As as per item No. 47 above but 40,000 Gallons capavity.

As as per item No. 47 above but 50,000 Gallons capavity.

As as per item No. 47 above but 1,00,000 Gallons capavity.

M&L for cleaning of RCC / Steel overhead tank of 40,000/50000 gallons capacity and including cleaning internal surface completely by scraping and washing using high pressure water jet to dislodge all the mud, dirt, algae, fungus and layers of calcinations etc., vacuum cleaning to remove dislodged waste, cleaning with bleaching powder on internal surface of the sump to make it sterilize and take care of any further suspended bacteria, viruses which might have remained in the tank without disturbing the water supply to the area and including painting the details of sump capacity, date of cleaning and due date of cleaning on the sump wall complete all as specified and directed by Engr-in-Charge.

As as per item No 52 above but 75,000 Gallons capacity.

As as per item No 52 above but 1,00,000 Gallons capacity.

Taking down cement plaster of any description including raking out joints, hacking for key , srubing down with water, etc, and disposing of debris outside the MD land complete all as speified and as directed.

Supply only water proofing compaound liquid all as directed.

Rendering 15mm thick on brick or concrete surfaces in CM (1:4) mixed with integral water proofing compound as per manufacturers instructions complete all as directed. Note : (i) Water proofing compound will be measured and paid separately under relevent items of thisschedule (ii) Bldg where repairs are to be carried out are G + 4 necessary formwork / scafolding charge shall deemed to be included in quoted rates.

M&L for PU injection grouting chiping of the loose/ dead concerate including preparing the surface by removing the dust and laitance etc. Drilling a hole of 110-125mm, fixing a nozzle and injecting a single component elastic poly urethane resin and fixing the same with packers. The rate deemed to be any type of tools & plants of tacles equipments of leakge treatment. Testing and commisioning of sewage sump/ water sump/ overhead tank leakage after completion to leak proof injecting treatment complete all as specfied and directed by Engr-in-Charge.

Taking out complete motor - pump assembly (centrifugal/mono block) of any make and type from foundation of different water supply installation for necessary repair/overhauling of 60HP and transporting to workshop and back complete all as specified and as directed.

Carrying out overhauling of 60 HP motor assembly and including rewinding using super enamelled copper winding wire of appropriate gauge as per existing, cutting burnt winding wire, cleaning of core slots, providing all insulation materials and varnishing, heating, replacement of worn out bearing, impeller, bushing complete all as specified and directed. Note :- (i) Rates quoted shall deemed to be include rate of winding wire, insulation material, varnishing, bearing, impeller & bushing.

S&F 75 HP ML4 FASD Fully automatic star delta stater(L&T)(SS90913) , AC, 415V, 50HZ with following specification:- Enclosure:- Sheet metal enclosure type. IP - 42 ,relay raange - 45-75A,voltage protection range-380-440V AC single phase preventor - yes ,Auto phase sequence correction - NO , contractor type - ML4/Eqv , overload current - full load currentXO.58 Max,coil voltage - 230V AC, fully automatic RYB indicator - LED type Make : L&T/SIEMENS, ABB/ BCH.

B.B. Enterprise

M/s T K Das

R N SAH N CO

MS ESSCON

M/S JAGRITI ENTERPRISES

Janata Enterprises

M/s Ranjit Kumar Saha