WBPHE /EE/AMD/NIT 02e / 2020-2021/13

Amount

Earth work in a 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 75m. as directed. The item includes necessary trimming the sides of trenches, leveling, dressing and ramming the bottom, bailing out water as required complete.

(a) Depth of excavation not exceeding 1500 mm.

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

(d) Add extra for excavation in morum soil.

Earth work in filling in foundation trenches or plinth with good earth in layers not exceeding 150mm. 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.

(A)Filling in foundation or plinth by silver sand in layers not exceeding 150mm. 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 Municipality / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer-in-charge.

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

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

(a) In foundation and plinth

(b) In superstructure, ground floor

Cement concrete with graded jhama khoa (30mm. Size) excluding shuttering. In ground floor and foundation. (a) 1:3:6 proportion

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. (i) Pakur Varity

Hire and labour charges for shuttering with centering and necessary staging upto 4m. 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 work(upto roof of ground floor) (When the height of a particular floor is more than 4m. the equivalent floor height shall be taken as 4m. and extra for works beyond the initial 4m. ht. shall be allowed under 12(e) for every 4m. or part thereof) (c) Steel shuttering or 9 to 12mm thick approved quality ply board shuttering in any concrete work.

Reinforcement for reinforced concrete work in the 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, basement and upto roof of ground floor/upto 4m. i}Tor Steel/Mild Steel I. SAIL/TATA/RINL

40 mm. thick damp proof course with cement concrete (1:1.5:3) (with graded stone chips 20 mm nominal size) with water proofing compound of approved brand @ 0.2% weight of cement including cost of materials over two coats of non-toxic acrylic polymer modified cementitious waterproofing slurry coat complete (cost of water proofing compound and non-toxic paint to be paid separately) for underground water retaining structures. [water proofing as per item no 9 and non-toxic paint as per item No. 8 (b) of subhead C of Section ‘C’]

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

(b) Applying two coats of Non-Toxic Acrylic Polymer modified paint having adhesive and water proofing properties by mixing in proportion (1 liquid is to four cementitious materials) or as per manufactures specification for water proofing layer in water tank etc. (No Departmental Cement is required)

Artificial stone in floor, dado, staircase etc. with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement) (iii) 35mm thick (Add extra @1.5% for each addl. floor upto 4th floor and @1.75% for each additional floor above 4th floor for item No.1 and 3).

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-in-charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816-1956 & IS: 1995 using electrodes of approved make and brand conforming to IS: 814-1957, 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 gussets, bracket, cleat, rivets, bolts and nuts may be made 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 22.5kg/m. or 15% of weight for finished structural members weighing not less than 22.5kg./m. may be increased/allowed 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 for each additional floor or 4m. beyond initial 8m. or part thereof. i) For structural members of specified section weighing not less than 22.5kg./m

Supplying, 1.5mm thick MS sheet fitted and fixed on one or both faces of MS/WI gate etc. with point welding at note more than 150mm apart complete in all respect as per design including cost of all labour and materials

(a) Supplying, fitting and fixing steel rolling shutter profile type with 18 B.G. of approved type steel latch section 75mm wide, fitted with coil wire spring to necessitate the fitting of required Nos. of CI Pulleys on heavy type solid drawn seamless steel tube complete with locking arrangements both inside and outside specially built up side guide channels including providing a hood for the steel rolling shutter in the room, painting two coats of approved aluminium paint over a coat of red lead primer complete. 1. (Measurement will be made on the area of opening covered by the rolling shutter corrected upto 2 decimal). 2. Payment of painting to be separately.

Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete (1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing. (Add extra @ 1.2 % for each additional floors upto 4th floor and @ 1.5% for each addl. Floor above 4th floor.) In Ground floor Flash butt welded windows and ventilators. (No shop priming will be allowed to facilitate inspection of workmanship)

(b) Openable steel windows as per IS sizes with side hung shutters and horizontal glazing bars with/without fixed type ventilators. [The extra rate admissible for the openable portion only]

(c) Extra over item 33 (a) and (b) for, (iv)Two point nose handle including fitting and fixing.

(vi) Steel peg stay 300mm long including fitting and fixing.

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 1:6 cement mortar

(b)20mm thick plaster

(c) 15mm thick plaster

(i) With 1:4 cement mortar (c)10mm thick plaster

Labour for chipping of concrete surface before taking up Plastering work.

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE: Cement 0.152 Cu.m. per 100 Sq.m.

Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade Acrylic primer (as per manufacture’s specification) including cleaning and smoothening of surface Two Coats

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or concrete surface old or new surface to receive decorative textured (matt finish) or smooth finish Acrylic exterior emulsion paint including scraping and preparing the surface thoroughly, complete as per manufacturer’s specification and as per direction of the EIC

In Ground Floor: (b)Two Coats

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer’s specification and as per direction of Engineer-in-Charge to be applied over Acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground Floor (Two Coat) (b) Premium 100% Acrylic Emulsion

(a) Priming one coat on steel or other metal surface with syntactic oil bound primer of approved quality including smoothening surfaces by sand papering etc. (This item is applicable to new work or old work when the original surface has been exposed by removal of old paint.)

A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (b) On steel or other metal surface : With super gloss (hi-gloss)- (iv) Two coats (with any shade except white) (NOTE: Painting of steel work as in Sl. Item- 13 above are not considered in the measurement of quantity of this Item.)

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. (In all floors for internal wall and upto 6m heights for external wall) (ii) 4mm thick

Supplying, fitting, fixing cast iron down pipes conforming to IS:3989 of 1970 and IS:1729 of 1964 in position with necessary clamps, nails including making hole in wall, floor etc. and cutting trenches in any soil through masonry concrete structures etc. necessary and mending good damages including joining with jointing materials complete. [Payment will be made on center line measurement of the total pipe line including specials. Payment for specials will however be paid separately] (ii) 100mm dia. (Internal)

Supplying fitting fixing C.I Specials of down pipes in position with clamps nails etc. with jointing materials including cutting holes in masonry or concrete, mending good damages complete. (E) C.I. shoe of down pipe (ii) 100mm dia.

Supply of PVC pipes and fittings Schedule 80 (medium duty) conforming to ASTMD – 1785 and threaded to match with GI pipes as per IS: 1239 (Part - I). (F) (v) Nipple (300 mm long) 100mm dia.

Tarun Kumar Bhattacharya

CONCORD ENGINEERING