West Bengal Pollution Control Board Tender

Dismantling Chunar stone/paver block flooring carefully including removing rubbish to anywhere within a lead of 75 m. and stacking the serviceable materials as directed.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

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. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation

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

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

Filling in foundation or plinth by fine 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)

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

Labour for laying single brick flat soling including ramming and dressing bed to proper level and filling joints with powdered earth.

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) (When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof) (a) Above 30 mm & upto 37 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Controlled Cement concrete with well graded stone chips (20 mm graded nominal size) excluding shuttering and reinforcement with complete design of concrete as per IS : 456 and relevant special publications, submission of job mix formula after preliminary mix design after testing of concrete cubes as per direction of Engineer-in charge. Consumption of cement will not be less than 300 Kg of cement with Super plasticiser per cubic meter of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix foumula. In ground floor and foundation. [using concrete mixture] M 20 Grade ( a ) Pakur variety

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc 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 intersection, complete as per drawing and direction. (a) For works in foundation and upto roof of ground floor/up to 4 m (i) Tor steel/Mild Steel I. SAIL/ TATA/RINL

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] i) With 1:4 cement mortar (a) 20 mm thick plaster

Providing & fixing 10 mm thick acid and/or alkali resistant tiles 300 mm x 300 mm of approved make and colour using acid and/or alkali resisting mortar bedding, and joints filled with acid and/or alkali resisting cement as per IS : 4457, complete as per the direction of Engineer-in-Charge. 1) In flooring on a bed of 10 mm thick mortar 1:4 (1 acid proof cement : 4 coarse sand)

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental charges such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increasedallow for bracket, cleat, rivet, bolts and nuts etc. and no separate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. I) For structural members of specified sections weighing less than 22.5 Kg./m

Drilling holes of requisite diameter in R.S. joists channels, tees. Plates etc. (a) (I) Dia. above 12mm and depth upto 10 mm.

Holding down bolt with nut including 100 x 100 x 6 mm plate washer at bottom fitted complete and packing the hole with cement concrete or cement grout as directed. (ii) 20 mm dia bolt. (a) 450 mm long

Supplying, fitting, fixing bolts with nuts, washer: ii) 20 to 25 mm dia bolt: (a) Length up to 75 mm dia:

Brick work with 1st class bricks in cement mortar (1:4) (b) In superstructure

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in superstructure

Distn. wiring in 22/0.3 (1.5 sq mm) single core stranded 'FRLS' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) in 19 mm bore, 3 mm thick polyethene pipe complete with all accessories embedded in wall to light/fan/call bell points with Modular type switch (Brand approved by EIC) fixed on Modular GI switch board with top cover plate flushed in wall incl. mending good damages to original finish 2x22/0.3 (Ph. & N) and 1x22/0.3 as ECC. Average run 9 mtr

Distn. wiring in 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) in 19 mm bore, 3 mm thick polyethene pipe complete with all accessories embedded in wall to 240 V 6A 5 pin plug point incl. S&F 240 V 6A 3 pin Modular type plug socket & Modular type switch (Brand approved by EIC) incl. S&F earth continuity wire, fixed on 4 Module GI switchboard with 3/4 Module top cover plate flushed in wall incl. mending good damages to original finish 2x22/0.3 (Ph. & N) and 1x22/0.3 as ECC On Board

Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB horizontal / vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts bolts etc incl. provision for earthing attachment(for DG and ROW power) Incomming-63A FP MCB Isolator, Outgoing-12 nos 16A-32A SP/TP MCB)(for DG and RAW power) (Make-Legrand/ABB/Siemens)

Distribution wiring in 1.1 KV single core stranded 'FRLS' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. Fittings as required. (make-Havells/Polycab/Finolex/as per EIC) a)2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sq mm) ECC

Distribution wiring in 1.1 KV single core stranded 'FRLS' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. Fittings as required. (make-Havells/Polycab/Finolex/as per EIC) a) 2 x 36/0.3 (2.5 sq mm) + 1 x 22/0.3 (1.5 sq mm) ECC

Distribution wiring in 1.1 KV single core stranded 'FRLS' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. Fittings as required. (make-Havells/Polycab/Finolex/as per EIC) a) 2 x 56/0.3 (4 sq mm) + 1 x 36/0.3 (2.5 sq mm) ECC

Finishing of the PVC insulated wire ends by socketing with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. a)2 x 36/0.3 (2.5 sq mm) + 1 x 22/0.3 (1.5 sq mm) ECC

Finishing of the PVC insulated wire ends by socketing with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. a) 2 x 56/0.3 (4 sq mm) + 1 x 36/0.3 (2.5 sq mm) ECC

Supplying of 4Cx25sqmm aluminium armoured cable

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting.

Laying only Cable upto 50 sqmm through existing RCC/Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ & 4 core