REPAIR REPLACEMENT OF BOUNDRY WALL AT KOPT LAND DAMAGED DUE TO CYCLONE AT DAMODAR COMPLEX AND SPECIAL REPAIR TO SWIMMING POOL AT INS NETAJI UNDER GE (I) (CGN) KOLKATA

Amount

Demolition of cement concrete any description (other than ground floors), beams, staircases, landing,chajjas and similar suspended work cement concrete is reinforced (reinforcement cut as required to facilitate demolition)

M&L for Reinforced cement concrete M-25 (Design mix) as in foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc. basement slabs, under-reamed piles and mass concrete complete all as specified and directed.

M&L for Reinforced cement concrete M-25 (Design Mix) as in Columns, pillars, piers, posts and struts complete all as specified and directed.

M&L for Reinforced cement concrete M-25 (Design mix) as in Beams, cantilevers, bressummers, lintels over 1.5m span complete all as specified and directed.

Use & waste of Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter as in fair finished surface all as specified and directed.

Use & waste of formwork to sides of pillars, posts, struts, piers, columns and stanchions as in rough finished surface all as specified and directed.

Use & waste of formwork to sides and soffits of floor or roof beams, beam haunchings, girders etc. as in rough finished surface all as specified and directed.

M&L Mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

M&L Mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

Demolition Brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles

M&L for brick work with fly ash bricks, straight or curved on plan, exc 6m mean radius built in CM 1:6 complete all as specified and as directed.

M&L Rendering 15mm thick CM 1:4 on fair faces of brick work or concrete surfaces is to be finished even and smooth without using extra cement complete all as spefied.

M&L Rendering 10mm thick CM 1:4 on fair faces of brick work or concrete surfaces is to be finished fair and even as backing layer complete all as spefied.

M&L exterier digital ceremic wall tiles, from Kajaria size 450x350 mmx 8mm thick , set and jointed in neat cement slurry and pointed in white or coloured cement to match all as specified and as directed. (Note : backing coat or bedding layer shall be measured and paid seperately under respective items in this schedule)

M&L 20 mm thick granite (black granite) slab machine cut in colomn, kitchen slab etc laid over cement scred and jointed with grey cement with admixture of pigment to match the shade of granite stone including frinding and polishing complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for

S&F posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc. embeding in concrete and screwing etc. including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for preparation of new steel surfaces of any description over 10 cm in width or girth not otherwise described, applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome all as specified and directed.

S&F galvanized 2 strand steel barbed wire 2.24mm dia barbed wire with 2mm dia barbs at 75mm spacing stringing, tightening and fixing to MS nibs embeded in MS fencing post etc securing and tying as crossing with and provision of galvanized mild steel wire, staples or steel pins etc. complete all as specified and as directed. (each line wire to be measured).including taking down old one.

Supply and fixed punched type concertina coil 610 mm dia with aluminium base halix coil including necessary GI clip complete all as specified and as directed. (i) Weight per coil- 8.0 to 8.50 KG (ii) coverage per coil- 6.0 to 6.25 RM

M&L 20 mm graded aggregate type B1 lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed

M&L Broken glass coping on top of walls in cement mortar complete all as specified.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

M&L for Screed bed or bedding layer of mortar 15 mm thick in CM 1:4 for laying floor finishes all as specified.

M&L for 12mm thick heavy duty industrial floors tiling of approved size and colour with minimum flexural strength of 38N/MM all as specified.

Material and labour for glass mosaic tiles of sheet size 300 mm X 300 mm with ships size of 23 mm X 23 mm and 2 mm spacer with glosy/ matt surface finish as on floor of swimming pool fixed with adhesive as reccomended by manufacturer and joint filling with white cement mixed with pigment and chemical to match with exsting complete all as specified and as directed.

Material and labour for glass mosaic tiles of sheet size 300 mm X 300 mm with ships size of 23 mm X 23 mm and 2 mm spacer with glosy/ matt surface finish on vertical surface of swimming pool fixed with adhesive as reccomended by manufacturer and joint filling with white cement mixed with pigment and chemical to match with exsting complete all as specified and as directed.

Remove all existing previously treated waterproofing materials from swimming pool area. Surface Preparation: All surfaces, which are to receive the lining shall be dry, sound and free debris and loose material. The substrate must be free from contamination such as oil, grease, wax, dirt or any other form of foreign matter which might affect adhesion. Bore Packing: Preparing the inside surface of core and PVC by roughening using suitable file to get better adhesion prior to packing works. Cleaning the surface by wire brushing followed water jet to remove any laitance or loose flaky paricles. Providing necessary formwork for packing the bore using suitable arrangement (depending upon site conditions). Applying a cost of styrene-butadiene based polymer coating using Nitobong AR of fosrock or ShaliCrete47 of STP or SIKA to enhance adhesion between the packing material and other surfaces and packing the gap using non-shrink cement polymer based grout using Conbextra GP2/ Renderoc SP40 of FOSROCK or ShaliGrout HS of STP or SIKA upto the surface of the bore whilst the Nitobond AR of Fosrock or ShaliCrete47 of STP or SIKA mortar and top 10mm groove by Nitocote VF of fosrock or ShaliFix 3EP STP or SIKA complete all as specified and as directed.

Grout & Construction Joints Treatment: Cutting the construction joint by "V" shaped and filling with Renderoc SP40 of Fosrock or ShaliCrete 47 of STP or SIKA followed by a bond coat with Nitobond AR of Fosrock or ShaliGrout IP of STP or SIKA Pressure grouting construction joints and honeycomb areas with cement grout mixed with Cebex 100 at 225 gram/ bag of cement complete all as specified and as directed.

Application of waterproofing layer (from inside) : Supply and apply of two coat of acrylic polymer modified cementitious waterproof coating Brushbond Ultraflex of Fosrock or ShaliCem EWP200 ,2K of STP or SIKA over PCC at a total thickness of 1mm. Brushbond Ultraflex shall contain a liquid polymer component and a cementitious powder component, which shall be mixed as per manufacturer's instructions applied over prepared concrete surface strictly maintaining the coverage specified by the manufacturer. The applied material of Brushbond Ultraflex should have a weight loss of less than 1gm when tested for abrasion resistance according to ASTM-D4060 complete all as specified and as directed.

Protective Layer: Providing & laying protective screed with proper slope (Avg 30mm thick) CM (1:4) mixed with admixture with Conplast WL Extra of Fosrock @200ml/ bag or ShaliPlast IW confirming to IS 2645-2003 and IS:9103-2000 @2% to 4% of STP or SIKA of cement. (Floor Surface) complete all as specified and as directed.

Protective Layer: Providing and applying 15mm thick plastering with CM 1:4 mixed with Conplast WL of Fosrock or ShaliPlast IW confirming to IS 2645-2003 and IS:9103-2000 @2% to 4% of STP or SIKA Xtra(Integral waterproofing compound confirming to IS 2645) at the dosage of 200ml/bag of cement over waterproofing system to a minimum thickness of 15 mm as per site requirement. (Wall surface) complete all as specified and as directed.

Tiling: Surfaces Nitotile MPA of Fosrock or ShaliTile Glue of STP or SIKA can be aplied directly on concrete, cement screeds and cement or lime mortar. Special attention must be given to new construction prior to commencing tiling. Tiles should not be placed on concrete or brickwork until all shrinkage movement has taken place. System-: Providing and Applying Polymer modified the adhesive a Nitotile MPA of Fosrock or ShaliTile Glue of STP or Sika shall be mixed with clear potable water in the ratio 3:1 by weight (3 part powder: I part water). A slow speed drill fitted with a mixing paddle is recommended for mixing. Add powder to water and mix until a uniform, lump free consistency is achieved . The total quantitiy of water may be slightly adjusted to achieve the required consistency > application of Nitotile MPA of Fosrock or ShaliTile Glue of STP or Sika should be spread on the substrate to a uniform thickness of 3mm, and then combed horizontally with a serrated trowel . Place tiles firmly into adhesive bed, ensuring good contract with a twisting motion. Only apply to areas which can be tiled in the adhesive's open wet time (up to 1m2 at a time)Nitotile MPA of Fosrock or ShaliTile Glue of STP or Sika conforms to BS 5980 Class AA Type I and suitability for contact with potable water as per BS 6920 Part I Supply mixing and Application shall be as per manufacturer's Current data sheet .

Tile Spacer Epoxy Grout : providing and Applying Nitotile EPW of Fosrock or ShaliTile Grout E of STP or Sika Grout is a 3 component water miscible epoxy resin tile joint filler based on new generation epoxy resin technology supplied in preweighed packs, ready for onsite mixing and use as per the manufacturers Current Data sheet.

Dismantling 75 to 80 mm dia C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead complete all as specified and as directed.

Dismantling 100 mm dia C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead complete all as specified and as directed.

Dismantling 150 mm dia C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead complete all as specified and as directed.

Supply , fitting and fixing PVC pipes 80 mm dia Schedule 80 (Heavy duty) confirming to ASTMD-1785 and threaded to match with GI pipe as per IS :1239(part-I) with all necessary accessories, specials viz socket, bend, tee, union, cross,elbow , nipple, longscrew, reducing socket, reducing tee, short piece etc fitted with holder bats clamps,including cutting pipes making thread , fitting, fixing etc complete in all respect including cost of necessary fittings as required, jointing material and two coata of painting with approved paint in any position above ground .Note:-(i) payment will be made on centre line measurement oF total pipe lline.(ii) No seperate measurement will be made for accessories, specials.

Supply , fitting and fixing PVC pipes 100 mm dia Schedule 80 (Heavy duty) confirming to ASTMD-1785 and threaded to match with GI pipe as per IS :1239(part-I) with all necessary accessories, specials viz socket, bend, tee, union, cross,elbow , nipple, longscrew, reducing socket, reducing tee, short piece etc fitted with holder bats clamps,including cutting pipes making thread , fitting, fixing etc complete in all respect including cost of necessary fittings as required, jointing material and two coata of painting with approved paint in any position above ground .Note:-(i) payment will be made on centre line measurement oF total pipe lline.(ii) No seperate measurement will be made for accessories, specials.

Supply , fitting and fixing PVC pipes 150 mm dia Schedule 80 (Heavy duty) confirming to ASTMD-1785 and threaded to match with GI pipe as per IS :1239(part-I) with all necessary accessories, specials viz socket, bend, tee, union, cross,elbow , nipple, longscrew, reducing socket, reducing tee, short piece etc fitted with holder bats clamps,including cutting pipes making thread , fitting, fixing etc complete in all respect including cost of necessary fittings as required, jointing material and two coata of painting with approved paint in any position above ground .Note:-(i) payment will be made on centre line measurement oF total pipe lline.(ii) No seperate measurement will be made for accessories, specials.

Supply , fitting and fixing PVC pipes 200 mm dia Schedule 80 (Heavy duty) confirming to ASTMD-1785 and threaded to match with GI pipe as per IS :1239(part-I) with all necessary accessories, specials viz socket, bend, tee, union, cross,elbow , nipple, longscrew, reducing socket, reducing tee, short piece etc fitted with holder bats clamps,including cutting pipes making thread , fitting, fixing etc complete in all respect including cost of necessary fittings as required, jointing material and two coata of painting with approved paint in any position above ground .Note:-(i) payment will be made on centre line measurement oF total pipe lline.(ii) No seperate measurement will be made for accessories, specials.

Supply and fixing CI Flap type Non Return Valves, 150 mm dia complete with all fixing material complete all as specified and as directed.

Providing ,fitting and fixing C.I butter fly valve made for air ,gas & water etc.of 150 mm dia complete all as specified and as directed.

Opening the manhole of Iron removal pressure filters and taking out the old/unserviceable existing sand gravels and feriminox agent of any size from beds and deposting the same not more than 150 mtr away from filter bed etc and washing the serviceable sand, gravells & fermimix agent by water stream and wire brush upto desired level and refilling the as per existing including cleaning and scrubing the all walls of Iron removal plant internally and externally with wire brush and white washing the same with potassium permagnate complete all as specified and directed by Engr-in-Charge.(Location:swimming pool INS Netaji)

Supply and filling in layers of coarse sand in filter media in filter bed grade size (10x20 Mesh) (as per existing) and 2 mm accumulated at top of the filter and coarse sand 3 mm grade below the fine sand etc complete all as specified and directed by Engineer-in-Charge.

All as per item No-45. here-in-before but layer of gravel graded size 12mm to 25mm.

All as per item No- 45 here-in-before but layer of gravel graded size 6mm to 12mm.

All as per item No-45 here-in-before but layer of gravel graded size 3mm to 6mm.

All as per item No-45 here-in-before but feriminox/MNO2 at catolic agent (Note: MNO2 sealed pack sample by Engr-in -charge should be tested by contractor from Govt approve Laboratory

Taking out old damage strainer any size and type (PVC/HDPE) and replace with new as per existing complete.

Taking out old unserviceable light fitting any type complete.

Supply and fixing LED flood light 120 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp complete all as specified and as directed.

Supply and fixing LED lights fitting 1x 20W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and as directed.

Supply and fix pressure gauge of capacity 0 to 4.2 kg/cm2complete including taking down old unserviceable one.

M&L plain cement concrete 1:3:6 Type C1 (using 20 mm graded crushed stone aggregate) as in coping, roof kerb or similar work, rounded or chamfered on edges including necessary form work including demolition old one complete all as specified and directed.

M&L preparing external old steel surfaces of 60,000 ltrs pressure filter vertical type (i.e. pressure filter- 02 Nos) incl connecting 80/100/150 mm MS/PVC pipe, valves, valve chamber, pump-motor-03 Nos and LT Panel-01 No etc(as per colour coding reqd) and applying two coats of synthetic enamel paint by spray painting over a coat of red oxide primer after scrapping old paint, cleanning rusted surface with the help of sand paper/wire brush of the complete area at swimming pool plant area including writing by synthetic enamel paint of "PRESSURE FILTER No.1&2.& Cap. 60000 LPH, complete all as specified and directed.

Taking down existing street light pole by excavating from bottom of the pole foundation including taking down existing street light by disconnecting the connection complete all as specified and directed.

Supply & install steel tubular swaged poles Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified Type 410 SP-31 (9.0 metres long) complete all as specified and as directed.

Supply and fix LED street light 70 W IP 66 protection with bottom opening seperate driver compartment including all fittings including taking down old unserviceable fittings all as specified and as directed.

Supply and fix FRP street Light Pole Box, Size - 300 x 200 x 105 mm,with DIN Rail for MCB including taking down old unserviceable boxes all as specified and as directed.

Supply and Fix MCB SP 6-32 Amps C series for Street light including taking down old unserviceable MCBs all as specified and as directed.

M&L for wiring with two runs of 2.5 sqmm (Nominal area) single core PVC insulated stranded unsheathed copper conductor FRLS cable upto and including 1100 V grade drawn through PVC rigid conduit medium grade fixed to pole including one run of 2.5 sqmm (nominal area) single core, PVC insulated stranded unsheathed copper conductor FRLS cable as earth wire and duly connected to common earth point including taking down old unserviceable wirings all as specified and directed (Note :-(i) One run of PVC rigid conduit with all fittings/accessories and Two runs of 2.5 sqmm single core cable and one run of 2.5 sqmm earth continuity wire to be measured as one length).

Supply and fix MS Bracket made of 40 mm dia MS pipe medium grade 1.5mtr long suitable for street light on steel pole as per site requirement including suitable nut,bolt and clamps complete accesseries all as specified and directed .

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete accesseries all as specified and directed.

Excavating in trenches, exc 1.5 m wide and exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and exc 1.5 m in depth and getting out complete accesseries all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. complete all as specified and directed.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

Spreading and levelling the removal excavated materials in layers n exc. 25 cm thick complete all as specified and directed.

Providing of Formwork to sides of pillars, posts, struts & columns with rough finished surface of concrete complete all as specified and directed.

Providing Cement concrete type B-1, 1:2:4 (20mm graded aggregate) all as specified and directed.

Providing Cement concrete type C-2, 1:3:6 (40mm graded aggregate) all as specified and directed.

M&L for rendering 10 mm thick on external plaster on foundation of pole with CM (1:4) in one layers complete all as specified and directed.

UNIVERSAL TRADING CENTRE (BID ID -3101246)

MS HORIZEN (BID ID -3099821)

M/S J S ENTERPRISES (BID ID -3100402)

S M ENTERPRISE (BID ID -3099721)

MS AP CONSTRUTION AND CO (BID ID -3099775)

KT CONSTRUCTIONS (BID ID -3097422)

SPECIAL CONCRETE AND CONSTRUCTION CO. (BID ID -3096540)