24/2

Earth work in excavation of foundation trenches ordrains, in all sorts of soil (including mixed soil but excluding laterite or sandstoneincluding removing,spreading or stacking the spoils within a lead of 75 m.as directed. The item includes necessarytrimming the sides of trenches, levelling, dressing and ramming thebottom, bailing out water as required complete.

(a) Depth of excavation not exceeding 1,500 mm.

(A) 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)

a) With Silver Sand

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete

a) With earth obtained from excavation of foundation.

Dewatering from the excavated trenches for repairing any type of pipe line including Hire Charge of pump / carriage / Fuel & lubricant / Operator etc. for big dia pipes more, than 200 mm dia all complete as per direction of EIC. (This item will be executed after the permission of E.l.C.)

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. (Avg.distance 20 km. from Ballygunge Stack yard)

a) Pakur Variety

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

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m.

In ground floor including roof.

(a) upto 150 mm. thick

Supplying and fabricating of 508 mm dia (OD) M.S. pipe of 8 mm thick as per specification (IS 3589:2001) and direction of E.I.C

Length 1.5 Mtr

Cutting to requisite length or shape R.S. joists, channels, angles,tees, plates etc (For making Bend & Joint)

Welding in M.S. structural work with gas or electric

(a) Continuous weld(For making Bend & Joint)

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 Type - B (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 of ElC. Each layer of protective wrapping shall be tested with Holiday detector at Contractor’s cost and the Contractors shall repair all holidays to the satisfaction of ElC at no extra cost (Payment will be made on finished area of work)

Coating of 'Food Gr. Epoxy' Resin of thickness not less than 240 micron with a low viscosity, crystallization resistant food grade epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion, give anti-fungal properties,as per guide line of FDA and USDA as well as damage from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of EIC

Hire charges of crane (capacity 10MT) including operator, helper, fuel, lubricants etc. as per direction of E.I.C.

Lowering M.S pipes & specials in trench up to a depth of 3.00 metre below G.L, laying and jointing the same inside the trench / over ground by means of electric arc welding using standard electrodes as per l.S. specification, all complete as per direction of the Engineer-in-charge. [The Engineer-in-charge shall approve the electrodes for arc welding before use. (For laying over ground, the rates shall be reduced by 10% and that is inclusive of holding arrangements) ]

500mm dia

Supply of Slip-On-Flange

a) 500 mm dia

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)

i) 500 mm dia

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in- Charge. [After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost]

500mm dia

Hydraulically testing of M.S. pipes in sections under a head of water not less than 60 (6Kg/Cm pressure) or above as per specific requirements by filling the main with supply of water including supply of all specials and equipment like pump sets, gauges, end caps/blank flange etc. and providing suitable thrust block all complete as per specification and direction of the Engineer-in-charge. (After successful completion of test, removal of ancillary specials, equipment. plugging arrangements, thrust block and disposal of water shall be made at no extra cost)

500mm dia

Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night.

Making lighting arrangement for continuation work during night including all charges (Applicable exclusively for emergency situation and as per direction of EIC.)

Supply and delivery double flanged manually gear operated Cast Iron Butterfly Valve having body disc and end cover in graded cast Iron to IS 210 Gr. FG 200 . synthetic rubber face ring secured on disc by a SS retaining ring with stainless steel screws , the rubber ring seating on a corresponding SS seat in body, stub shaft of AISI 431 riding inteflon bearings , valves suitable for a working pressure of 10/16 kg/sq cm (seat test)and body tested to 15/24 kg/sqcm. Flanges drilled to IS 1538 Table 4 & 6. (PN 1.6 ratings) -500 mm dia

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

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape,placing in proper position and binding with 16 gauge black annealed wire at every inter-section, complete as per drawing and direction.

(a) For works in foundation, basement and upto roof of ground floor / upto 4m.

(i) Tor steel/Mild steel (SAIL /TATA/ RINL)

Consider 10 Km from Nearest outlet.

Ordinary Cement concrete [ Mix 3 : 1.5 : 1 ] with graded stone chips(20 mm.size) excluding shuttering and reinforcement, if any, in ground floor.as per Is 456-2000.

a) Pakur / Chandil Variety

Consider 20 Km from Ballygunge stack yard

Hire and labour charges for shuttering with centreing 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, columns, lintels curved or straight including fitting, fixing and striking out after completion of works. (upto roof of ground floor)

a) 25 mm to 30 mm wooden shuttering without staging in foundation

Brick work with 1st class bricks in cement mortar (6:1)

(a) In foundation and plinth

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints or rougening of concrete surface, including throating, nosing and drip course where necessary (ground floor)

(i) With 6:1 cement mortar

(a) 20 mm. thick plaster

(b) 15 mm. thick plaster

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc.

NOTE- Cement 0.152 cu.m / 100 sq.m

Add @18% GST on all items (Except Sl. No. 8, 13 & 15)

Add CESS @ 1% on all items (Except Sl. No. 8, 13 & 15) & on GST