Additional laying of Distribution pipe lines

Amount

Earth work in excavation of foundation trenches in any kind of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. as directed including trimming the bottom & sides of trenches leveling, dressing and ramming the bottom bailing or pumping out water as required complete. a) Depth of excavation not exceeding 1.50 M.

Hire and labour charges for 75 mm dia bamboo railing on Jhau/Eucalyptus or other approved timber posts 1.4 m above G.L. and 0.60 m below G. including tying strongly with coir ropes and boring holes for posts in any soil/ concrete surface/Bituminious surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer in charge after removing the barricade.(Cost of restoration would be paid separately.) (a) 75mm. dia bamboo railing & 125mm. dia Jhau/Eucalyptus/other approved timber posts @ 1.60m apart (ii) Railing with 3 rows.

Hire and labour charges for shoring work (includeing necessary close plank walling, framing, salbulla piling, strutting etc.) complete as per direction of the Engineer-in-charge for foundation excavation. (vertical surface area in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Engineer-in-Charge.) a. Depth upto 1.5m.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Removal of rubbish, earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal/ Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of EIC.

Labour charges for Jacketing (encasing) of D.I. pipe of different diameter by polythene sleeves etc. including cost of fastening materials in all respect as per direction of E.I.C. (High Density Polythene Sleeve supplied by Deptt.) a) 100mm dia

b) 150mm dia

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. (b ) Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation

Dismantling all type of plain cement concrete works, stacking servisable materials at site and removing rabbish as directed within a lead of 75m in ground floor including roof. a. upto 150 mm thick,

b. above 150 mm thick,

Sypply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of of TATA make (heavy quality) as per standard specification, 5 mm thick. a) 100mm dia ( Internal )

b) 150mm dia ( Internal )

c) 200mm dia ( Internal )

c) 250mm dia ( Internal )

Supply of E.R.W.M.S. black pipe of approved make(heavy quality) as per standard specification having wall thickness not less than 8 mm. [The rates for supply of non TATA but I.S.I. marked G.I. pipes and fittings will be arrived at by reducing the corresponding rates for TATA pipes and fittings by 20%.] c) 300mm dia ( Internal )

Earth work in filling in foundation trenches or plinth with good earth in layers not exceeding 150 cm. including breaking clods watering and ramming etc. layer by layer all complete a) With earth obtained obtained from excavation of foundation.

Reinforcement for all reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc.including supplying of rods , initial straightening and removal of rust (if necessary), cutting to requisite length, hooking & bending to correct shape ( if necessary) placing in proper position & binding with 16 gauge black annealed wire at every intersection etc. complete as per drawing & specification including cost of wire. For works in foundation basement and upto roof of gf/upto 4m. i) tor steel II. JSW/JSPL/SHYAM/ SRMB/BMASL/ELECROSTEEL/SSL

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. b) Pakur Variety. In ground floor

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (a) By manual means: (ii)From 50mm to 100 mm. Thk.

Cement Concrete Road Restoration Works

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over theflank as necessary or on berm to approximate grade& camber and rolling the sub-grade with power rolle rto proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. (a) Depth up to 150 mm.

b) For each additional Depth of 150mm and part thereof.

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. 150 mm thick

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety

Bituminous Road Restoration Works:-

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. a) Depth up to 150 mm.

(b) For each additional Depth of 150mm and part thereof.

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40).

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. 150 mm thick

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Pakur Variety Stone Chips (iii) Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) B. Manual means 100 mm thick

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

Providing and laying bituminous macadam with Mobile Hot Mix Plant (Light Duty) using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over a previously prepared surface at specified laying temperature by means of approved and suitable arrangements to the required grade, level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. For Grading 2 (19 mm nominal size, 50-75 mm thick.)

Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same eitherusing viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over thesurface, including line, grade and level to serve aswearing course on a previously prepared base,including mixing in Mobile Hot Mix Plant (Light Duty)and thoroughly rolling with a smooth wheeled roller8-10 tonne capacity, finished to required level andgrades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD. (Pakur Variety Chips)

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). II By Manual Means With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Laying of CI/DI Pipes, specials and valves in the trenches including lifting from the road side and carrying the same within a lead of 5.0 Km (avg) for lowering into trenches and placing laying carefully in proper alignment, gradient etc. by mobile crane and other necessary devices, maintaining a minimum cover of 1.00M below the ground level etc.including loading , unloading and carrying from departmental local store etc. all complete as per specification and direction of E.I.C including all types of DI fittings & Specials (K-12) like Tee, Cross, Bends , Reducers , MJ Collar, End cap, tail piece etc. (Make- KEJRIWAL CASTING LTD./ ELECTROSTEEL CASTING LTD) to be supplied by the agency and the rate will be inclusive of cost of fittings & specialsand work shall be completed in all respect. Note:- D.I. pipes, Rubber Gaskets & polythene sleeves of different dia. will be supplied by the Department. a) 100 mm dia

b) 150mm dia

Charges for cutting C.I./D.I. pipes by chisel/Hacsaw/Compressed air operator or machanical abrasive cutter including vendring the surface smooth by grinder etc. all complete as per direction of E.I.C. a) 100mm dia

b) 150mm dia

Chamfering the spigot end of the C.I/D.I pipes for using inTyton joints line or other wise by means of electric grinder set at site as per direction of E.I.C a 100 mm dia

b 150mm dia

Making rubber gasket joint to CI/DI pipeds maintaining proper alignment , level etc. by mechanical arrangements wit or without using moblie cranes where necessary and with the help of all other equipments such as gantry, girder, tools & tackles etc. as required providing lubricants of approved quality cleaning the grooves of pipe socket all complete as per specification and dirrection of EIC. ( Rubber gasket supplied by department free of cost) a) 100 mm dia

b) 150mm dia

Making flange joint in the pipe line (C.I./D.I.) with the supply of nuts & bolts with washer ( nuts & bolts, washer should be TATA/ G.K.W. make) rubber insertion 6kg/m.sq. 1/8 gauge and other materials required ( all standard type and I.S.I. approved quality ) etc. all complete including making joints holes, shuttering, planking, dewatwring the tranches and supply of all materials and labour charges all complete as per direction of E.I.C. a) 100 mm dia

b) 150mm dia

Suuply & delivery of CI Bolted collar as per IS 13382-1992 with latest amendment up to date including all taxes & other incedental charges what so ever, carriage, loading unloading & stacking at working site. a) 100 mm dia

b) 150mm dia

Supplying & delivery at working site CIDF sluice valve conforming to IS 14846-2000 (ISI marked), with latest ammendment, including stacking and includsive of Departmental inspection, packing charges, all taxes and duties as applicable and payble, Flanged drilled as per IS 1538/1993 with latest amendment all complete as per direction of EIC. (Approved make : Kirlosker/IVC/L&T/VAG/M&P/Upadhyay) Class PN 1.0 with cap a) 100 mm dia

b) 150mm dia

Construction of sluice valve chamber, wash out chamber as per departmental drawing No. 32/NC/PHE/9-92 with brick work in cement morter (1:6) including earthwork in excavation,100mm th (1:3:6). Cement morter with 30 mm down grade shingles in foundation,100mm th precast R.C.C.slab with ordinary cement concete ( mix1:1.5:3), shuttering reinforcement work and other matertials as per departmental drawing Complete with supply & fitting fixing 150mm X 150 mm C.I. surface box embedded into the precast slab and overhauling the valves if necessary all complete including cost of all labour and materials ( only valves & tailpieces will be supplied from local Departmental store). a) 100mm dia

Construction of sluice valve chamber, wash out chamber as per drawing No. SE/RCFA/92/12 Dated 21.03.2012 b) 150mm dia

Hydraulically testing of different types of pipes in section by hand pump or pump and the proposed field testing to check the quality of workmanship of pipe line and the quality of pipe. The test pressure shall be kept 1.5 times to the actual operating pressure (i.e. the test pressure recommended by I.S.I. for corresponding pipe materials whether the gauge pressure will be remain static for 30 minutes by filling water including supply of necessary equipment such as generator set/pump, guage, air compressor in section along with as specified in the specification including providing blank flange duly stiffened with angle or joint section on either side of the pipe line and necessary equipment and supply of water will be necessary for testing work including disposal of water after testing etc. all complete as per direction of E.I.C. ( When department will supply water for test, the rate will be reduce @ 33% from the flowing rate). a) 100mm dia

b 150 mm dia

Disinfection of distribution line (A.C./C.I./D.I.) by flushing with water containing bleaching powder @ 56mg. Per lit. of water and cleaning the same with fresh water. The water should remain in the main for a minimum period of 24 hours. The bleaching powder solution will be applied continuously for a period of time to provided colum of chlorinated water in contact with all inner surface of the main for a period of at least 3 hours operation. ( To be repeated twice) ( The D.C.M. brand Bleaching powder and water will be supplied by the agency).(Disinfection report from PHE-WB, NABL accredited lab to be submitted) a) 100 mm dia @ 0.065 kg bleaching powder/mtr.

b) 150mm dia @ 0.146 kg bleaching powder/mtr.

Excavation of trial pit (3 m x 1 m depth upto 3 m) for fixing main, wash out line etc. Taking every precautions against damages of S.W. pipe, electrical cables, pipe line, gas main, sewer lines, telephone cables etc. as under ground obstruction including 3.75 mm thick timber shoring, earth cutting, dewatering, barricading and again back filling etc. as per direction of the E.I.C. (Disinfection Report from the PHE. WB , NABL accredited lab to be submitted.

Cutting sub -grade of road (concrete bituminus curpeting & consolidated Ballast/brick soling & other sub-grade materials by means of chisels/Hammer other equipments ( for trenches & laying of pipe line.)

Lowering M.S. pipes & specials in trench upto a depth of 3.00 meter below G.L. laying and jointing the same inside the trench/over ground by means of electric arc welding using standard electrodes as per I.S. Specification, all complete as per direction of the EngineerinCharge. (the engineer in charge shall approved reelectrodes for arc welding before use) a) 150 mm Dia

Gas cutting of M.S. pipes and/or plates of different thickness all complete as per specification and direction of the Engineer in Charge. 10 mm thick plate.

Field welding of M.S. plates by means of electric arc welding as per relevant I.S. specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel, lubricant and all other tools and plants all complete as per specification and direction of the Engineer-in-Charge.[The Engineer-in-Charge shall approve the electrodes for arc welding before use] a) Throat thickness 10mm

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface) the outer surface of manufactured M.S. pipes and specials, applying first coat of synthetic primer Type –B as per IS: 15337:2003 of approved make over it and wrapping the same with coal tar based insulating tape 2 mm thick as per IS:15337:2003 of approved make and applying the second coat of synthetic primer TypeB (as specified above) over the first layer of insulating tape and wrapping the same with second layer of 2 mm thick coal tar based insulating tape (as specified above) in staggered pattern (including overlapping at ends) by torching etc. as per manufacturer’s specification and as per direction

Derusting brushing & cleaning the surface of the manufactured /M.S. pipes and specials applying one coat of approved primer over it and providing 3 coats of anticorrosive and not toxic paint (two coats in the factory over primer and the third coat at site after laying to all pipes & specials inside as per inside as per I.S. specification & direction of the Engineer inCharge. Thickness of one coat of paint to be such as to maintain the surface coverage of 12 to 13 M, per liters of paints. A length of 150 mm at each and of pipes and specials will be provide with a coat of primer and three coats of painting.

Cast iron Kinetic double orifice type air release valves having small orifice elastic ball resting on gunmetal orifice nipple, large orifice vulcanite ball seating on moulded seat rings valve with builtinKinetic features isolating sluice valve mounted in horizontal position and operated by a metre wheel gearing valve suitable for maximum working pressure of 10 Kg/Cm2. a. 100 mm dia

Supplying, fitting and fixing air valve cover box (using 24 mm thick MS plate ) according to necessary site measurement as per direction of E.I.C. (80 mm dia to 200 mm dia) a) 100 mm dia

Supplying, fitting and fixing of MS Machine end fabricated with 30 mm to 40 mm thick. MS plate properly machining and joint with the socket end of CI/DI pipe with supply of SBR gasket and wlding with MS pipe in the other end as per direction of E.I.C. i. Socket end a) 150mm dia

b) 200mm dia

c) 250mm dia

d) 300mm dia

Supplying, fitting and fixing of MS Machine end fabricated with 30 mm to 40 mm thick. MS plate properly machining and joint with the socket end of CI/DI pipe with supply of SBR gasket and wlding with MS pipe in the other end as per direction of E.I.C. i. Spigot end a) 150mm dia

b) 200mm dia

c) 250mm dia

d) 300mm dia

M.S Flange (slipper type) As per IS6392 Table 17 Thickness 12mm a) 100 mm dia

PRITAM SENGUPTA

M/s LOKENATH CONSTRUCTION