Kolkata Metropolitan Development Authority Tender

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.

(b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring.

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.

c) (i) With carried earth arranged by the contractor within a radius of 1 km. including cost of carried earth.

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)

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

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 (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety

Controlled Cement concrete with well graded stone chips (20 mm 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 30 Grade 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) (c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work.

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/upto 4 m. Tor steel/Mild Steel Other than SAIL/ TATA/RINL

Extra rate for using water proofing and plasticising admixture @ 0.2% by weight of cement (or at manufacturer's specified rate) for concrete of various grades.

Bailing out water by pump including all leads and lifts and including making all arrangements for disposal, where continuous flow or seepage of water is encountered and rating of pumps and hours of operation is specifically ascertained as per direction of the Engineer-in-charge.

Supplying Eucalyptus-bullah piles at work site, including dressing and making one end pointed. (Diameter of pile to be measured at a distance of 1.5m from the thicker end). (i) 100 mm diameter

(i) 150 mm diameter

Labour for driving Sal-bullah / Eucalyptus bullah piles by monkey in sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles.

Taking out Jhaw / Eucalyptus piles from river bed or from elsewhere including carrying, stacking materials in the nearest stack yard. (a) Up to 17.5 cm. diameter

Labour for fitting and fixing 10 cm. to 13 cm. diameter Sal-bullah/Eucalyptus-bullah as ties and runners including necessary nails, bolts and nuts.

Supplying empty Cement bags in good condition.

Filling empty Cement bags with dry earth or sand, stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete but excluding cost of sand and gunny bags.

Dumping in position earth / sand filled gunny / poly bags (capacity 50 kg) within a lead of 30 metre inclusive of all lifts.

Placing / laying, stone / brick aggregates filled gunny / poly bags on the slope of the bank of the river / sea or the slope of the embankment or in the river bed with all leads etc. complete.

Removing earth/sand filled poly bags/gunny bags from the channel bed/slope and initially depositing the same near channel bank at a place as directed by the Engineer-in Charge for measurement of Bag & then disposing off the same at a distance not less than 150 metre from the channel site.

Supplying, fitting and fixing 20 mm. to 37.5 mm. thick Chunar / Mirzapur / Dholpur slab in floor set in 20 mm thick (avg) cement mortar (1:4) bed and pointing in cement mortar (1:2) [1 cement: 2 marble dust] with admixture of pigment matching the stone shade, polishing all complete as per direction of the E-I-C (Using cement slurry for bedding @ 4.4 kg/Sq.m and jointing @ 2.4 kg/Sq.m). In Ground floor.

Supplying fitting and fixing in position 8 mm. to 12 mm. thick Dholpur slab in wall, dado making suitable arrangement to hold the stone properly with approved polymerised adhesives (6 mm thick) as per ISI specification including pointing with cement mortar (1:2) (1 cement: 2 marble dust) with admixture of pigment matching the stone shades all complete as per direction of Engineer-in-charge including cost of all materials, labour, scaffolding, staging, curing complete [using white cement for pointing @ 2.4 kg/ Sq.m]. In ground floor

Brick work with 1st class bricks in cement mortar (1:6) In superstructure, ground floor.

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). With 1:6 cement morter. 20 mm thick plaster.

Supplying, Fitting & Fixing Factory made P.V.C. door frame of size 50 mmx47 mm with a wall thickness of 5 mm, made out of extruded 5 mm, PVC sheet miter cut at two corners and joined with two nos of 1.5 mm long brackets of 15 mm x15 mm M.S. square tube. The two vertical door profiles are to be reinforced with 19 mmx 19 mm M.S. Square tube of 19 gauge, weather seal to be provided through out the frame. The door frame shall be fixed with the wall using 65/100 mm long M.S. Screws through the frame by using P.V.C fasteners. A minimum of 4 Nos of screws to be provided for each vertical member and minimum 2 Nos for horizontal member etc. complete as per Manufacturer‟s specification and direction of Engineer-in-Charge.

Supplying, Fitting & Fixing 30 mm thick Factory made solid Panel PVC Door Shutter consisting of outer frame made out of M.S. tubes of 19 gauge thickness and size 19 mmx19 mm for styles, top and bottom rails, M.S. frame shall have cost of steel primers of approved make and manufacture, M.S. frame covered with 5 mm th. heat moulded PVC “C” channel of size 30 mm th, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on either sides forming styles; and 5 mm th. 95 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm tapered in 45 degree on the inner side to form top & bottom rail and 115 mm wide PVC sheet out of which 75mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided either side of the panel with 10 mm (5 mmx2) th.,20 mm wide cross PVC sheet as gap insert for top rail and bottom rail. Paneling of 5 mm th. both side PVC sheet to be fitted in the M.S. frame welded/sealed to the styles &rails with 7 mm (5 mm+2 mm) th.x15 mm wide PVC sheet beading on inner side and joined together with solvent cement adhesive. An additional 5 mm th. PVC strip of 20 mm which is to be stuck on the interior side of the “C” channel using PVC solvent adhesive etc. complete excluding all necessary hardwares as per direction of Engineer-in-Charge. In ground floor.

Supplying, fitting and fixing clear visioned, Insulated Double Glazed two track sliding Aluminium window (U-value 3.2W/m 2 K) made up with 6 mm thick toughened glass (wt 15kg/m 2) with 12 mm air gap in between, containing perforated Al/ structural foam spacer filled with moisture absorbant dessicant at all sides duly sealed with primary sealant (polyisobutylene) and affixed inside multi cellular/ multi chember profiles of required section made of Alluminium alloy extrusions conforming to IS:733-1983 and IS:1285 - 2002 annodised/powder coated with (required film thickness and specified colour/natural) matt finished conforming to IS: 1868-2006/ IS: 13871-2002 measured as per IS:6012-1992, and sealed appropriately with secondary (polysulphide/silicon) sealant all junctions complete in all respect as per direction and satisfaction of Engineer-in-Charge including all incidental charges.

Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each.

Supplying & laying as per IRC-SP:063-2004 paver unit of any shade of approved quality as per relevant IS code, laid in pattern as directed in pavement, footpath, driveway (paver block only), etc including necessary underlay complete in all respect with all labour and material. 50 mm thick interlocking designer concrete paver block M 30 grade for non-traffic zone,buiding premises,garden,parks,domestic drive as per IS: 15658- 2006(over 20-30 mm medium sand bed on 200mm thk bound gnaular /granular base course including cost of sand for sand bed but excluding cost of base course & subgrade preparation.) Coloured Decorative

Driving M.S. sheet piles of any kind of approved type and size conforming to IS code in all kinds of soil/ soil mixed with gravel, shingle pebbles, by monkey hammer including handling, cutting to requisite size, drilling holes, hoisting in position, welding, fabrication of sets of tapper piles, corner piles etc. with clutch bars as may be required including staging, scaffolding and hire charges of driving machinery and equiepments, craping and cleaning piles, painting the sufrace with one coat of surface primer of approved make and brand and two coats of ready mixed oil bound paint (except red lead and black japan) etc including all cost of labours, supply and carriage of equipments to site (by any mean) as per drawing and direction of EIC but excluding the cost of sheet piles. N.B. Measurement of area underground to be taken i.e. straight length of pile multiplied by driven length.

Supply of Cold rolled Z type Sheet pile 690X390X10 mm including carriage at Baidyabati Site. @ 86.8 Kg/meter.

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 chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members. For built up sections / srtuctural members of specified sections weighing not less than 22.5 Kg./m

Supplying, fitting, fixing, Chain link fencing of approved quality with R.C.C posts wooden posts or iron posts by means of galvanised "C" clips to grid of horizontal strands of galvanised high tensile spring steel wire of 12 S.W.G which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc. The rate is exclusive of the cost of posts. 50 mm. x 50 mm. x 8 g.

Supplying high density polythene strainer of approved make with adapter conforming to I.S. specifications. 50 mm dia.

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