Kolkata Port Trust Tender

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars in ground floor including roof.

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m stacking serviceable and unserviceable materials separately as per technical specification Cl 202 for Rural Roads of MORD (a)Bituminous/Granular Courses (i) by mechanical means

(b) Granular Courses (i) By manual means

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)

Preparation and consolidation of sub-grade with power road roller of 8 – 12 tonne capacity after cutting exiting road upto required depth, dressing to camber and consolidation with road roller including making good the undulation etc and rerolling the sub-grade and disposal of surplus earth with lead upto 50 meters.

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

Providing , laying , spreading and compacting graded stone aggregates to wet mix macadam specification including screening of aggregates from granular materials premixing the materials with water at OMC in wet mix plant , carriage of mix materials by tipper to site , laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density including supply of all materials , machinery , fuel and lubricants including incidental cost for lighting , guarding , barricading , making earthen bundh to protect the edges including cost of quality control complete as per clause 406 of specification for Road and Bridge works of MORTH (5th Revision )

Hire and labour charges for the shuttering with centering and necessary staging up to 4Mtr using approved stout props and 25 mm to 30 mm thick hard wood planked with required bracing for concrete slabs beams, columns, lintels curved or straight including fittings, fixing and striking out after completion of the works (up to roof of ground floor) as per the direction of Engineer – In – Charge. Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work.

Hire and labour charges for shuttering with hard wood for precast R.C Slab curved , or straight striking out the same including fitting & fixing the precast slab in position with necessary carriage and haulage hosting etc. complete in all respect (only the area in contact with concrete to be measured )

Provide 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. For works in foundation and upto roof of ground floor/upto 4 m Tor steel/Mild steel. SAIL / TATA / RINL

Supplying and laying in the specified pattern of Interlocking concrete block pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure (As per clause no 6.30 of IRC : Sp: 63 (2018) , from BIS license manufacturer , with spacer nib (small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving block as per Cl No 3.26 of IS : 15658) and of specified size and shape with aspect ratio (the ratio of length to thickness of a paver block as per CL No 3.3 of IS : 15658) as per Table 2 of IS15658 with flexural strength / breaking load as per Annexure G of IS15658 on

prepared base course of specified CBR as per table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a couson of compacted bedding sand of 25-35mm thick (Grading of bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver block with joint filling sand (the grading of joint filling sand will be as per clause 6.5.2 of IRC SP-63) and completing the edges with cut blocks as per clause no. 8.7 of IRC SP-63 (2018) with proper confinement of bedding and joint filling sand, compaction, leveling and filling up of the edge gap. 120mm thick Grey Dentated or dumble shaped

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

Supplying ready mixed concrete of M-20 grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per cum of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer , designing concrete mix following IS 10262 and IS 456 transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification and direction of the Engineer-in-charge including compurised batching plant transit mixure will all accessories, vibrators etc inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its staging which would be paid through separate item. In Ground Floor and Foundation Without approved concrete pump

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.

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 chages 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 increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate 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.For structural members of specified sections weighing less than 22.5 Kg./m

Supplying labours for taking out old paver blocks carefully stacking the same in proper stack and depositing the spoils as directed within a lead of 150 mtr.

Brick work with 1st class bricks in cement mortar (1:6) 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 including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:6 cement mortar. 20 mm thick plaster

Surface Dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead up to 75 m as directed.

Cutting / cleaning / removing jungles including uprooting / removing of rank vegetation, cutting grass, bush wood, cutting / removing small tree sapling or branches of trees falling under the cutting area at different area of Dock & removing spoil upto a distance of 50 mt. outside the periphery of the area cleared as per direction including all lead, lift, cutting instrument, labour etc. complete in all respect.

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.

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 Engineer in charge