MAINTENANCE / REPLACEMENT TO ENTRY PORCH SUPPORT STRUCTURE EXISTING ENTRANCE GATE, DRAINAGE LINES, ROOF TREATMENT AND OTHER CONNECTED WORKS AT DRYDOCK AT NAVAL DOCKYARD, VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Demolition of textile covering over roof, and taking down of existing padding of 25mm thick including removal of waste material out side Dockyard premises complete all as specified and as directed

M&L for 25mm thick cement concrete type B-0, 1:2:4 (12.5 mm graded aggregate as in padding of roof/ flooring complete all as specified and as directed

M&L for rendering 10mm thick plaster in cement mortar 1:3 with 4% water proofing compound as per manufacture instructions by weight of cement and finish the surface even and smooth without using extra cement complete all as specified and as directed Note:- WPC will be measured and paid separately)

M&L for applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.20 kg per Sqm including cleaning of surfaces complete all as specified and as directed

M&L for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non woven fabric (wt. not less than 150 gms/sqm) laid on primed surface by forced application over entire roof surface and on vertical surface up to groves with other laps of 100mm. The over lap shall be sealed by flames complete all as specified and as directed

Supply only Integral water proofing compound complete all as specified and as directed

Demolition of brick work or stone / boulder masonry built in cement mortar including removal of debries outside of Dockyard premises complete all as specified and as directed

M&L for brick work with subclass ‘B’ bricks, built in cement mortar 1:4 straight or curved on plan exc 6m mean radius using old size bricks complete all as specified and as directed

Taking down cement plaster on brick/concrete surfaces etc including racking out joints hacking for key scrubbing down with water etc, complete all as specified and as directed

M&L for rendering 10 mm thick plaster in CM (1:4) on fair face of brick or concrete surfaces of walls finished even and smooth without using extra cement, complete all as specified and as directed

Demolition of PCC any description and any position not otherwise specified and removing the debries outside from the Dockyard premises complete all as specified and as directed

M&L for PCC 1:2:4 type B1, using 20 mm graded aggregate as in floor 50mm thick and finishing the concrete even and smooth without using extra cement complete all as specified and as directed

M&L for rendering 15 mm thick plaster in CM (1:4) using SBR latex emulsion @ 3% by weight of cement all as specified on fair face of brick or concrete surfaces of walls finished even and smooth without using extra cement complete all as specified and as directed Note:- SBR shall be measured and paid separately)

Supply only Styrene Butadiene Rubber (SBR) latex emulsion complete all as specified and as directed

M&L for preparation of new plastered surfaces of walls and applying two coat of exterior weather proof emulsion over a coat of primer complete all as specified and as directed

Taking down rain water or soil pipes or PVC pipes including all fittings any size and pattern complete all as specified and as directed

S&F 75 mm bore PVC (SWR) waste and rain water pipes single socketed in any length with rubber ring joints laid in gallery/dock/building walls/floors or trenches etc complete all as specified and as directed .

S&F 110mm bore PVC (SWR) waste and rain water pipes single socketed in any length with rubber ring joints laid in gallery/dock/building walls/floors or trenches etc complete all as specified and as directed

S&F 160mm bore PVC (SWR) waste and rain water pipes single socketed in any length with rubber ring joints laid in gallery/dock/building walls/floors or trenches etc complete all as specified and as directed

S&F 75mm bore PVC (SWR) bends of any radius complete all as specified and as directed

M&L 160mm /180mm PVC bends of such as elbow, tee, reducer socket and similar fittings in repairs provided to rain water pipes of the work shop buildings at height of 6m to 20 m fixed in position by leak proof jointing material / chemical etc. complete all as specified and as directed

M&L 110mm PVC bends of such as elbow, tee, reducer socket and similar fittings in repairs provided to rain water pipes of the work shop buildings at height of 6m to 20 m fixed in position by leak proof jointing material / chemical etc., complete all as specified and as directed

Dismantling of any description ( corrugated or semi corrugated ) sheets, in roof covering complete all as specified and as directed

S&F pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick(straight or curved shape) of an colour having tensile strength of 550 MPA as in roof covering/cladding to wall fixed with self traping screw complete all as specified and as directed

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

S&F steel work in tubular/angle trussess including special shape washer etc.complete using ERW or induction butt welded tubes conforming to IS 1161-1979 graded St. 240 complete all as specified and as directed

S&F Mild steel work as in Hand rails half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors balusters, nosing to steps, ladders, walkway including embeding concrete and screwing etc, wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc; flat iron fillets (for securing wire mesh etc) including all necessary drilling, bolting or riveting, etc and similar work confroming to Fe-290 Gde E-165 complete all as specified and as directed

S&F in Repairs 1.25mm thick steel rolling shutters, with out ball bearing, as specified including top cover anchoring rod, hasp and staple, shaft, pipe, brackets, and one shop coat of primer, erected in position as indicated complete with bevel gear box and crank handle complete all as specified and as directed

S&F in repairs collapsible steel Gates top hung or bottom rest, consisting of channel pickets pivots flats bars top and bottom runners, brass handle etc. erected in position and securing runners with hold fasts and bracket complete all as specified and as directed

Supply and fix aluminium decorative grill of any and shape not exceeding 2.70 Kg./Sq.m complete all as specified and as directed

Supply and fix aluminium door shutter with chowkats made out of hollow aluminium sections as mentioned below, each shutter having 2 Nos ‘D’ type aluminium handles of 200mm long 2 Nos aluminium tower bolts of 200mm long and 1 No mortice lock of 6 lever with key in duplicate, regulated by hydraulic door closer, shutter partly glazed with 5.5mm thick sheet glass and partly paneled with 12mm thick particle board pre-laminated fixed with glazing clips, rubber beadings and aluminium beadings all as specified Chowkat size : 101.60 x 44.45 x 2.40 mm (1.608 Kg/RM appx) Shutter Top rail : 114.30 x 2.15 mm thick (1.836 Kg/RM appx) Bottom rail : 150.00 x 2.20mm thick (2.376 Kg/RM appx) Middle rail : 83.50 x 1.70 mm thick (1.243 Kg/RM appx) Vertical rail : 85.00 x 1.80 mm thick (1.302 Kg/RM appx)

S&F for roof, column, cantilever entry porch and etc of aluminium composite panel of 3mm thick with skin thickness of 0.25mm of aluminium on both sides, sandwiched by 2.5mm polythene core with PVDF coating of 30 micron, face fully covered with high intensity prismatic (Type-IV) sheeting conforming to type-III of ASTM-D 4956-01 as approved by GE and fixing the same to the structural frame work by means of suitable self tapping screws, rivets or bolts and nuts and erecting in position complete all as specified and as directed (Make - ALSTRONG/ALCOBOND/ALSTONE)

S&F steel work in tubular/angle frames including special shape washer, welding,tieing for fixing aluminium composite panels and for rafter, purlin like etc.complete using ERW or induction butt welded tubes confirming to IS 1161-1979 graded St. 240 and the same inclusive of scaffolding/staging to execute at any height complete all as specified and as directed

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) and removing rubbish outside the Dockyard premises complete all as specified and as directed

M&L chequered cement concrete tiles with grey and any pigments 30cm x30cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors and incl cement screed 15mm thick in 1:6 complete all as specified and as directed

M&L for two coat of white wash on new/old surface to ceilings and walls of old surface of galleries, including surface preparation. Work in compact area, entry and exit through man holes, below ground level complete all as specified and as directed.

M&L for preparation of new plastered surface and applying two coat of weather proof exterior emulsion paint on walls over one coat primer whitening complete all as specified and as directed

M&L for preparation of new plastered surface and applying two coat of oil bound distemper on walls over one coat of chalk whitening complete all as specified and as directed

M&L for washing, cleaning and scrapping to existing treatment and applying one coat of oil bound distemper on old wall surfaces complete all as specified and as directed

M&L for washing, cleaning and scrapping of existing treatment and applying one coat of weather proof exterior emulsion paint on walls upto height of four storied bldgs complete all as specified and as directed

M&L for Removing and cleaning of existing peeled off portions of RCC walls/columns/ceilings of galleries, sea side facia walls, cope point chambers etc., including chipping, wire brushing and making good the corroded/rusted reinforcement with new reinforcement for binding reinforcement as required to existing reinforcement by welding/tying with mild steel wire (annealed) not less than 0.9 mm dia and gunniting the area with minimum pressure of 5 Kg./cm2 to an average thickness of 40 mm in CM (1:2) and finish the surfaces fair and even complete all as specified and as directed Note:- Supply only reinforcement and welded wire fabric will be measured and paid separately

S&F welded steel wire fabric fixed to RCC wall/ceiling with necessary fixing arrangement weight exc 2 kg/sqm but not exc 4 Kg/Sqm as per site requirement/ as per direction of GE, complete all as specified and as directed

Periodical maintenance of cable ducts / galleries on the jetties /wharfs with required tools and plants and cleaning of debris, any other waste/garbage etc., including water accumulated in the ducts/galleries of jetties & wharfs by employing 06 Nos. of Mazdoors for 8 hours/day as per following :- a) Opening of Mild steel gallery covers of any description, size shape and placing safety cones etc., around the duct / gallery opening on jetty /wharf .( Note Gallery covers provided with RCC slabs of 150mm /100mm thick shall be measured and paid separately) b) Entering in to the gallery through opeing to a depth of appx 2.7 to 3m below the jetty /wharf and collection of silt / mud / debris and other foreign materials in the gallery to the nearest manhole of gallery for lifting the same to a height of 2.7 to 3.0m by suitable means to the jettey/wharf surfaces for further disposal. c) Re-positioning of MS duct covers as required. d) Loading of garbage so collected from galleries in to transport vechicle of suitable capacity . Note: Transport vechile for disposal out side ND(V) shall be measured and paid separately.

Disposal of collected garbage from the galleries out side Naval Dock Yard on per full loaded vehicle complete all as specified and as directed

M&L for periodical maintenance of existing (old) stainless steel of post & railing of any size /any description of hand rails/ ladders etc with emery paper, tack powder, soft cloths etc, for cleaning the stain marks/ scaling on the exposed surfaces of SS Pipes and buffing with hard machine etc, complete all as specified and as directed

Material and labour for preparation of new or previously untreated steel and iron surfaces of any description over 10cm width or girth, and applying two coat of synthetic enamel paint over a coat of zinc chromate primer complete all as specified and as directed .

Periodical maintenance to removal of vegetation growth on the jetties /wharfs/dock/building wall irrespective of heights and location of grown plants with required tools to cut plants and cleaning of debris, any other waste/garbage etc.,and finishing the same with SBR plaster and the rate inclusive of platering&SBR chemical also by employing 05 Nos. of Mazdoors for 8 hours/day complete all as specified and as directed

General Note: The above items are to be executed for high rise marine structures or of similar height and requires double scaffolding to carry out the mechanically applied repair mortars etc . The rates quoted shall be accordingly considered for all the safety measure, scaffolding, height, lead and lift in the items. The contractor is to ensure that the workers are adequately equipped with safety gear/ equipment that is necessiatated by the nature of the work involved. All PPE (Personnel protective equipment) of firm's workers will be provided by the firm. The following could be reasons for issue of challans due to violation of this rule:- (a) Non-wearing PPE (b) Non-wearing of coded dress approved by COA All other safety reulations stipulated in the latest ND (V) safety standing orders

SRI LAKSHMI GANAPATHI CONSTRUCTIONS