Bank Protection work from Howrah Bridge pylon to Nimtala Ghat 860.00 metre along with construction of steps at two locations in connection with the comprehensive Riverfront development scheme of SMPA, Phase I.

PART-A : Bank Protection(Sl. No. 1-21) Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer / Engineer's representative. In ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Disposal/carriage of excavated earth / materials outside Government land by truck or by any other conveyance over kancha / pucca road including making access for plying the truck or any other conveyance beyond 300 m and upto a distance of 5.00 km from the excavated point including cost of stacking, loading, unloading, transporting, arrangement of land, if required by agency, spreading and levelling as necessary etc. complete. [Payment shall be made on the basis of net volume after deduction for void of 1/10th of gross volume of stack].

Supplying fitting, fixing Darma Mat in flowing or stagnant water or in dry areas with 16 SWG GI wire as per direction of the Engineer-in-Charge. Where boats are necessary.

Supplying of empty polythene cement bags (having capacity 50 kg), filling the same with locally available silver sand, closing the bag by machine stitching with approved sewing thread and dumping the bags in proper places over the darma mat for its sinking to the river bed as per direction of the Engineer / Engineer's representative. Volume of each sand filled bags should not be less than 0.028 cum. The rate shall include cost of bag, sand, filling, stitching, dumping, hire charges of boat, boatmen etc. all complete.

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. 20 cm av. diameter . Note: Diameter of pile to be measured at a distance of 1.5 meter from the thicker end.

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all 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. 20 cm av. diameter. Note: Payment to be made on the basis of length driven into the ground. Diameter to be measured at 1.5 meter from the thicker end.

Extra rate for driving from pontoon or boats. 20 cm av. diameter Note: Payment to be made on the length driven into the ground. Diameter to be measured at 1.5m from the thicker end.

Supplying, fitting and fixing with iron nails half split bullah wailing pieces and cross pieces etc. complete with cost of all materials and carriage to site. Width of thinner end above 10 cm. and less than 15 cm. Jhaw / Eucalyptus

Coal tarring with 5% pitch including cost of material and labour complete as per direction of the Engineer / Engineer's representative. One coat

Supplying at site and fitting & fixing Mild Steel long nuts & bolts etc. complete as per the direction of the Engineer / Engineer's representative.

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 GSM as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer / Engineer's representative. Note: 1. Payment to be made on measurement of finished surface including anchoring length at top. Specification of Geotextile filter. a) Mass per unit area: 430 gms./Sqm b) Tensile Strength: 70 KN/m both warpway and weftway c) Apparent opening size (A.O.S.): 0.425mm d) Ultra violet resistance: Percentage strength retain- 80% (Min) at 500hrs exposure. e) Water flow rate normal to the plane: 25 lit/sqm/sec (head 100 mm)

Providing supplying and making suitable stack of Geo textile-Bags made of polypropylene multifilament woven fabric as per specification having suitable internal dimension to accommodate river sand not less than 100 Kg & subsequent filling the same with local available river sand weighing (gross wt.) not less than 100Kg. per bags, closing the bag by machine stitching with stitch density of 4-5 stitches per inch with PP MY (Polypropylene multifilament yarn) or equivalent with approved sewing thread as per specification & as directed by the Engineer-in-Charge. The rate includes all materials labours, and other incidental charges etc. complete. Specification of Geo-textile for manufacturinq Geo Bags : (a) Mass per Unit area : 240 gms./Sqm. (b) Tensile Strength : 40 KN / M. both warp and weftway (c) Apparent opening size (A.O.S.): 100 micron (maximum). (d) Ultra violate resistance : Percentage strength retain - 70% (Min) at 500 hours. (e) Water flow rate normal to the plane : 25 lit/sqm/s (head= 100 mm.)

Labour charges for handling, carrying and placing the sand filled geo-bag on slope or dumping from bank/boat/pontoon includng all lead and all lifts. The rate include all carriage and hire charges of all equipments including boat, boatmen etc. as directed by the Engineer / Engineer's representative.

Providing & supplying of polypropylene (P.P.) rope crate of size 1.0m x 1.0m x 0.5m (approx) made up of 6mm dia P.P rope having maximum mesh opening size around 150mm x 150mm with following specification: Minimum weight of rope-17 gm/meter length . Minimum breaking strength for individual rope-600kg . Structure of rope: 3 strand howser laid. [Payment shall be made on the number of crates accepted and used in work]

Labour charges for carrying, placing & positioning the sand filled Geo textile-bags manually in P.P rope crates of size (1.0m x 1.0m x 0.5m) (4nos. sand filled geo-bags in each crates), properly tightening of open ends of crates by 6mm dia P.P. ropes and placing the filled crated at proper location etc. including all leads & lifts complete as per direction of the Engineer / Engineer's representative. [N.B. : Cost of sand filled Geo-bags and P.P. crates will be paid separately]

Supplying of 26.5mm nominal size machine made stone chips at site including cost of material, loading, unloading, stacking, carriage etc. including all incidental charges complete. [Payment will be made on the basic of stack measurement of minimum height of 35 CM after deduction of 1/13 of gross volume for void]

Labour charges for carrying, placing/laying of 26.5mm nominal size machine made stone chips in the drains/ trenches on river bank/bed/slope including all lead & lift all complete as per direction of the Engineer / Engineer's representative. (Payment shall be made on the basis of net volume of material used from stack).

Making filter with well graded 40 mm down Jhama ballast and laying uniformly behind weep holes, below pitching on bed, side slopes including supply and carriage of all materials to site including preparing bed with earthwork up to 30 cm depth, where necessary and compacting with wooden malllet after laying to achieve designed section as per direction of the Engineer / Engineer's representative. [Measurements will be on finished volume of work or in stack of minimum height of 35 CM after deduction of 1/13 of gross volume towards void in both cases]

Supplying of coarse sand (Grading Zone I as per IS: 383-1970) stacked at site including cost of material, loading, unloading, stacking, carriage etc. including all incidental charges complete. [Payment shall be made on the basis of stack measurement. Minimum height of stack shall be 50 CM and necessary deduction for void will be made @1/18th of gross stack volume after deduction of bulkage of sand as per in-situ testing at site]

Labour charges for carrying, laying/placing of coarse sand on the river bank/bed/slope or below the pitching work including all leads & lifts all complete as per direction of the Engineer / Engineer's representative. (Payment shall be made on the basis of net volume of material used from stack).

Precast cement concrete blocks or lining units as per designed section and specification in nominal mix. proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20 mm down Pakur Variety coarse aggregate, including dressing, ramming, shuttering, finishing the surface by trowel without adding any additional cement and sand mortar, curing, transporting and laying the blocks or lining units at worksite in position over sand cushion/ filter layer with cold (paper) joints between the adjacent units, having gap varying from 0 to 5 mm as tolerance, with all leads and lifts including supply and carriage of all materials complete.

Part B-Construction of steps(Sl.No. 22-46) Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer / Engineer's representative. In ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Disposal/carriage of excavated earth / materials outside Government land by truck or by any other conveyance over kancha / pucca road including making access for plying the truck or any other conveyance beyond 300 m and upto a distance of 5.00 km from the excavated point including cost of stacking, loading, unloading, transporting, arrangement of land, if required by agency, spreading and levelling as necessary etc. complete. [Payment shall be made on the basis of net volume after deduction for void of 1/10th of gross volume of stack].

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. 20 cm av. diameter . Note: Diameter of pile to be measured at a distance of 1.5 meter from the thicker end.

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all 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. 20 cm av. diameter. Note: Payment to be made on the basis of length driven into the ground. Diameter to be measured at 1.5 meter from the thicker end.

Extra rate for driving from pontoon or boats. 20 cm av. diameter Note: Payment to be made on the length driven into the ground. Diameter to be measured at 1.5m from the thicker end.

Coal tarring with 5% pitch including cost of material and labour complete as per direction of the Engineer / Engineer's representative. One coat

Dismantle all types of Masonry excepting cement concrete plain or reinforced, stacking serviceable Materials at site &removing the rubbish as directed within a lead of 75 Mtr in ground floor including roof.

Dismantle all types of plain cement concrete works up to 150 mm thick stacking serviceable Materials at site andremoving rubbish as directed within a lead of 75 Metre in ground floor including roof upto 150 mm. thick.

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

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 upto 75 m as directed.

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

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 GSM as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer / Engineer's representative. Note: 1. Payment to be made on measurement of finished surface including anchoring length at top. Specification of Geotextile filter. a) Mass per unit area: 430 gms./Sqm b) Tensile Strength: 70 KN/m both warpway and weftway c) Apparent opening size (A.O.S.): 0.425mm d) Ultra violet resistance: Percentage strength retain- 80% (Min) at 500hrs exposure. e) Water flow rate normal to the plane: 25 lit/sqm/sec (head 100 mm)

Supplying at site and laying in position UV stabilized needle punched, stapled fibre / continuous filament polypropylene non-woven geotextile of 300 gsm as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge. Note: 1. Payment to be made on measurement of finished surface without lapping, but including anchoring length at top. Specification of non-woven Geotextile filter. a) Mass per unit area: 300 gms./Sqm b) Tensile Strength: 17 KN/m c) Apparent opening size (A.O.S.): 0.015 mm d) Ultra violet resistance: Percentage strength retain- 75% (Min) at 150 hrs exposure. e) Water flow rate normal to the plane: 55 lit/sqm/sec (head 50 mm)

Supplying at site and Labour charges for filling of High Density Polyethylene (HDPE) bag of size 0.84 m x 0.38 m conforming to BIS : 14252 : 2015 for bank protective works with silver sand including machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 30m and all lifts including carriage and hire charges of all materials and equipments, cost of sand, transportation, incidental charges etc. all complete as directed by Engineer-in-Charge (Volume of earth/sand filled bag should not be less than 0.0328 cum). The rate includes cost of Silver sand.

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

Supplying and laying chequered tiles of any shade & of approved quality with (1:1½:3) cement concrete laid in panels or patterns as directed in pavement, footpath etc. including necessary underlay 25 mm thick [avg] cement mortar (1:3) complete in all respect with all labour and materials. [Using cement slurry @ 4.4 kg/Sq.m at back side and @2.4 kg/Sq.m for joint filling] Red Variety. 25 mm. thick

Provide and lay plaster to wall, floor, and ceiling with sand & cement morter including rounding off or chamfering corners as directed and raking out joints or roughening of concrete surface by chipping, etc., including throating, nosing and drip course where necessary in ground floor. 15 mm. thick plaster (1:6)

Supplying of 26.5mm nominal size machine made stone chips at site including cost of material, loading, unloading, stacking, carriage etc. including all incidental charges complete. [Payment will be made on the basic of stack measurement of minimum height of 35 CM after deduction of 1/13 of gross volume for void]

Providing & supplying of polypropylene rope crate made up of 6 mm dia. P.P. rope having maximum mesh opening size around 150 mm x 150 mm with the specification of Minimum weight of rope – 17 gm/m length, minimum breaking strength for individual rope – 600 kg, structure of rope : 3 strand Hawser laid, placing the same on the river bank/river bed as per prescribed line, level and alignment and filling the same with 30kg-60Kg size of laterite boulder and packing with 10kg -30Kg laterite boulders (filling should be done in such a manner such that maximum quantity of boulders can be placed inside the gabion) including all loading and unloading, carriage and stacking at site all complete as per direction of the E-I-C. Crate of size 2.0m x 1.0m x 0.50 m (approx.) with baffle wall ( 2Nos of 1mX1m compartment)

Crate of size 1.0m x 1.0m x 0.5m (approx)

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

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

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) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work.

Providing and laying Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) as per relevant IS codes with all leads and lifts including supply and carriage of all materials, use of vibrators etc. all complete but excluding shuttering and reinforcement if any in ground floor/ river bank slope as directed by the Engineer-in-charge.

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

Providing Steel Liner 10 mm thick for Curbs and 6 mm thick for Steining of Wells including Fabricating and Setting out as per Detailed Drawing (Reference to MORT&H's specifications 1204 & 1900).

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