8121 REPAIR MAINT TO CERTAIN BR MARINE ASSETS INCLUDING REPLACEMENT OF PCC AND MS COVERS AT CG DOCK AND K AND L BERTH AND ASSOCIATED AREAS AT ND MBI UNDER AGE BR I UNDER GE NW KUNJALI

Amount

Demolition of plain cement concrete of any description and in any position not other wise speifically provided for complete all as specified and as directed.

Demolition of reinforced cement concrete of any description and in any position not other wise spcifically provided for complete all as specified and as directed..

Taking down cement plaster on brick/surfaces built in cement mortar including raking out joints, bading for key scrubbing down with water etc complete all as specified and as directed.

Demolition of Stone slabs and tiles/ Interlocking paver blocks of any description or thickness in floors, aprons laid, bedded and pointed in any mortar and removing rubbish off the premises (outside MD land) etc complete all as specified and directed

M & L for machine pressed precast concrete interlocking paver block With Grey cement and pigment any shape and size confirming to IS 15658-2006 of 80 mm thickness M-40 Grade complete over 25 mm thick Sand cushion complete all as specified and as directed.

M&L for machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60mm thickness, M-35 Grade, with grey cement and pigment laid dry over stone dust or sand base and compacted using vibrator complete all as specified and as directed.

M&L for PCC 75mm thick D-2 type (1:4:8), using (40 mm graded aggregate) as in sub base complete all as specified and directed.

Supply and applying microconcrete of Fosroc, Dr Fixit, or equivalent make approved by GE around edges of Dock walls, jetties, corners, grooves, alters, steps, piers, slabs and other marine structure after complete cleaning of concrete surface and applying epoxy coat as bonding agent Fosroc's Nitobond or equivalent make approved by GE for bonding between old and new surface, including all lifts, shuttering all as required as per site condition complete all as specified and as directed.

Material & labour for taking down, chipping and removing the loose, spailt, damaged cement concrete, cement mortor surfaces of RCC columns, beams, walls, chajjah etc and exposing the reinforced cement , wire brushing and cleaning the exposed steel reinforced bar, applying rust remover over the cleaned re-bar surface wash the re-bar with clean water for removing all rusts from the old re-bar surfaces, fixing new reinforcement for strengthening the members as required, applying two coats of epoxy zinc primer on new and old steel surfaces, saturate the substrate with water applying one coat of polymer modified bond coat on affected concrete surfaces and finally providing ready mix polymer plaster and finally finishing the surface complete all as specified and as directed. Make :- Dr.Fixit/Sunanda/Chemestik/Fosroc or equivalent make approved by GE Note :- (New reinforcement and MS Sections will be measured and paid separately).

Material & labour for taking down, chipping and removing the loose, spailt, damaged cement concrete, cement mortor surfaces of RCC columns, beams, walls, chajjah etc and exposing the reinforced cement , wire brushing and cleaning the exposed steel reinforced bar, applying rust remover over the cleaned re-bar surface wash the re-bar with clean water for removing all rusts from the old re-bar surfaces, fixing new reinforcement for strengthening the members as required, applying two coats of epoxy zinc primer on new and old steel surfaces, saturate the substrate with water applying one coat of polymer modified bond coat on affected concrete surfaces and finally covering with Microconcrete and finally finishing the surface all as specified and directed. Make :- Dr. Fixit/Sunanda/Chemestik/Fosroc or equivalent make approved by GE

Supply only ready mix microconcrete mixture complete all as specified and as directed.. Make : Dr.Fixit/Sunanda/chemestik/Fosroc or equivalent make approved by GE

M&L PCC 1:2:4 type B-I using 20mm graded crushed stone aggregates as in floor/hard standing finished cement concrete surface even and smooth using extra cement complete all as specified and directed .

Precast RCC (1:2:4) type BI using 20mm graded crushed stone aggregate as in cover slabs and set incement mortar 1:4, complete all as specified and as directed.(Reinforcement shall be measured and paid separately all as directed .

Formwork to sides and soffits of floor or roof beams, haunchings, girders, bressummers, lintels cantilevers, shelves including supt-ports, overhangs, etc. also splays between floors and beams, etc. rough finished surface of concrete complete all as specified and as directed.

Formwork to sides of pillars posts, struts, piers, columns and stanchions square, rectanguar or polygonal complete all as specified and as directed.

M&L for complete removal of existing treatment on wall surfaces and applying a coat of wall care putty 1mm thick on plastered surfaces, preparatory to distempering and applying two coats of oil bond distemper ver a coat of wall primer complete all as specified and as directed.

M&L for rendering 5mm thick in CM 1:3 on fair faces of brick work or concrete surfaces in ceiling finishing the surface even smooth complete all as specified and as directed.

M&L for preparation of newly plastered surfaces in ceiling, applying three coats of white wash complete all as specified and as directed.

M&L for plastering in CM 1:4, 20mm thick in two coats (15mm under coat plus 5mm finishing coat) using Pidiproof LW+water proofing chemical of Dr. Fixit or euvalent as per manufacturer''s instruction and finishing the surface seven and fair complete all as specified and as directed.. ( Note: Water proofing compound shall be measured and paid seperately)

M&L for preparation of newly plastered or un plastered or un plastered wall surfaces, over 10cm girth applying two coats of 100% acrylic, weather resistant emulson over a coat of exterior wall primer complete all as specified and as per manufacturer's instruction complete all as specified and as directed.

M&L for complete removal of existing plastered wall surface, over 10cm girth preparation of surfaces, applying two coats of 100% acrylic, weather resistant emulson over a coat of exterior wall primer complete all as specified and as per manufacturer's instruction complete all as specified and as directed..

M&L for preparation of old painted surfaces of wood or wood based surfaces over 10 cms width or girth and applying one finishing coat of synthetic enamel paint on wooden surfaces complete all as specified and directed.

M&L for preparation of old painted surfaces of steel any description over 10 cms width or girth and applying one finishing coat of synthetic enamel paint on steel surfaces complete all as specified and directed.

M&L PCC (1:2:4) type B-1 (Using 20mm graded stone aggregate) as in flooring, padding for maintaining roof/chajja slope complete all as specified and as directed.

M&L for preparation of RCC/PCC roof structure and priming @ 0.8 Kg per Sqm of finished concrete surface complete and an evenly a coat of cold bituminous at 1 Kg per Sqm and applying seating cloth over cold bituminous , finaly paving bitumen of any penetration at 2.5Kg per Sqm complete all as specified and as directed.

Removing excavated material & debris exc. 1.50 Km but n exc. 15 Km and depositing where directed, in soil complete all as specified and as directed..

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

All as per item No 27 above but for 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders complete all as specified and as directed.

Dismantling wrought or mild steel work of any description complete all as specified and as directed.

Supply and fix rolled mild steel section of Grade FE 410-W, (Gde- E-250) quality-A, as in Plates (Plane or Chequered) channels, square cut or noteched (ordinary and counter sunk) forming holes, without any attachment complete all as specified and as directed..

Supply and fix structural steel framed works such as angle, channel, grating, gate, ladder etc. Confirming to Fe-290, E-165 as in supporting structure of duct, drain edge etc including making good the disturbed portion of concrete surfaces with 1:2:4 type B0 (using 12.5mm graded stone aggregate) all as specified and directed.

M&L for Stainless steel decoravtive railings (grade 316), staircase3 (design and pattern as approved made out of SS pipes, SS flats, SS plates etc. Complete with and including necessary welding , buffing/polishing and fixing complete all as specified and directed.

M&L for Stainless steel decoravtive railings chain alloy(grade 316), having 8 mm minimum thickness (design and pattern as approved ) as used to connect two stainless steel post with hooks etc. Complete with and including necessary welding , buffing /polishing and fixing complete all as specified and directed.

Dismantling plain or corrugated steel sheeting, any gauge or thickness incl Nainital or similar pattern roof coverings all as specified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, chajjas, fixed with self tapping screws as specified.

All as per item No. 35 above but plain galvalume sheets for ridges etc all as specified.

Material & labour for gently cleaning the surface of the stone masonry and piers in building/jetty/dock above sea water level with specialized water misting techniques employing air water jet using a fine nozzle sprinkling system calibrated to spray a fine mist along the stone surface, without over wetting, followed up by gentle brushing with soft nylon brushes as specified. Gentle surface cleaning may include using water misting and mild pH balanced surfactants as specified for indicated areas to remove surface dirt, grit, surface accretions, lime wash etc complete all as specified and as directed.

Material & labour for raking out cement pointing or any other hard material used and careful re-pointing and repairs to be carried on the damaged pointing of stone masonary in jetty/dock above sea water level by using RENDEROC SP 40 in FOSROC for marine environment and submerged condition. The contractor to ensure use of masking tape and sharp specialized spatula and tools to ensure clear lines and high level of workmanship on site complete all as specified and as directed.

Application of transparent protective paint NItocote SN 522(transparent) in Fosroc or equivalent in Sika and other make approved by GE with similar properties suitable for stone masonary in marine and submerged condition as per the manufactures instruction all as specified & directed. Note for Item No 37 to 39 1- Quoted rate shall be inclusive of removing vegetation, sea growth on surface of stone wall surfaces. 2- Rate should be inclusive of necessary arrangement of scaffolding or otherwise while carrying out work above sea water level If there is requirement of small private boat for carrying out the work, same should be arranged by contractor. 3- Necessary safety precautions as per safety norms like helmet, shoes, life jacket must be ensured by contractor with in the quoted rates. 4- Work shall be executed as per manufacturer instructions .

M&L for preparation of new surfaces of steel any description over 10 cms width or girth and applying two finishing coat of synthetic enamel paint over red oxide primer on steel surfaces complete all as specified and directed.

M & L for errection & dismantling of MS tubler double scaffolding (H frame) upto height of 30m & with necessary brazing, provision of necessary safety equipment to the skilled workers to carry out the work and covering with green cloths for carring out external face work of walls complete all as specified and as directed.

Rohit Enterprises (BID ID -3099357)

Pragathi Infrastructure Co. (BID ID -3100001)

jalandhara construction (BID ID -3096495)

SACHINENTERPRISES (BID ID -3113837)

SR Construction (BID ID -3099747)