8530 REPAIRS TO BROKEN CHAJJAS, REPAIRS TO EXPOSED CEILINGS WITH GUNITING, WALL PLASTER, CEILING PLASTER, PLINTH PROTECTION IN CERTAIN BUILDINGS AT DRDL KALINGA UNDER AGE (I) RnD NSTL, VISAKHAPATNAM

Amount

Chipping of unsound/weak concrete material in patched n exc 10 Sqm for 15mm average thickness from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. complete with necessary scaffolding/ staging and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

Cleaning of reinforcement in pathes n exc 15RM from rust from the reinforcing bars of dia upto 12mm to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

M & L for mixing and applying SBR polymer modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) 15mm average thickness in three layers as per specifications and directions of Engineer-in-charge Note: Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument.

Cutting down the plants/ trees of girth n.exc. 15cm from roof tops/ sides of external walls of building, chajja, wall junctions & at junctions of rain water/ waste water pipes including taking out the roots entered in to wall/ slab surfaces; making good surfaces with PCC 1:2:4 type B0 or cement mortar (1:2) including repairing the GI/ CI/ PVC pipe joints which were affected due to cutting/ taking out process after applying suitable herbicide including making good the disturbed surfaces to match the adjoining surfaces complete with necessary scaffolding/ staging/ Jhula etc, with all necessary safety precautions up to 4 storey height complete all as directed and as specified.

Taking down cement plaster on brick work or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and as directed.

M&L for rendering 15mm thick in CM (1:4) in patches n.exc. 3sq.m. each patch on concrete/ brick masonry surfaces, including mixing water proofing compound, finished even and smooth without using extra cement complete all as specified and as directed. (NOTE: Supply only water proofing compound shall be measured and paid separately under relevant item.)

M&L for preparing the new plastered surfaces of walls, applying a coat of exterior primer, 2mm thick putty including sand papering the puttied surfaces to form an even and smooth surface and applying two or more coats of premium acrylic emulsion paint with alkali & fungal resistance, disrt resisstance complete all as specified.

M&L for applying anti corrosive primer @ 0.25 Ltrs/sq.m for the exposed old and new reinforcement bars of any dia to the full circumference and length of bars to form an unbroken 40 micron thick film (DFT) complete all as per manufacturer's instructions. [Make: 'Nitozinc Primer' of make: M/s Fosroc Chemicals India (P) Ltd. or equivalent in M/s Pidilite Industries Ltd./ M/s Sika India Pvt. Ltd./ M/s Structural Water Proofing Co. Pvt. Ltd./ M/s BASF India Ltd.]

Supply only integral water proofing compound conforming to IS: 2645-1975.

M&L for filling the existing cracks on plastered surfaces of walls by using Dr. Fixit Crack-X Shrinkfree compound incl preparation of surfaces before application by opening the cracks and cleaning off the dust, dirt etc. for ease of application of paste all as per manufacturer's instructions and making good surfaces all as directed.

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

M&L for glazed ceramic digitally printed tiles of size 300x450mm, 7mm thick in vertical surfaces of wall, set and jointed in neat cement slurry and pointed in coloured cement to match laid over and including 10mm thick backing coat in CM 1:3 complete all as specified.

M&L Non skid coloured ceramic tiles 7 to 8mm thick area of each tile exc 0.06sqm but n exc 0.11sqm in floors etc set and jointed in neat cement slurry and pointed in white cement to match, over and including 15mm thick screed bed in CM (1:4) laid over and including 25mm thick PCC (1:2;4) type B-0 using 12.5mm graded crushed stone aggregate,complete all as specified and directed

(vii) S&F in repairs vitreous China squatting pan, Orissa pattern, size 580x440mm, white with integral foot rests, 'P' or 'S' trap including provision of lime concrete bedding including connections to flushing cistern/pipe and making good disturbed portion to match complete all as directed.

S&F PVC (SWR) pipe 110mm bore, single socketed in any length with rubber ring joints fixed to walls complete all as directed.

S&F PVC (SWR) pipe 75mm bore, single socketed in any length with rubber ring joints fixed to walls complete all as directed.

S&F PVC (SWR) reducers 110/75mm bore complete all as directed.

S&F 110mm bore PVC (SWR) junction, single (Single T) equal or un equal

S&F PVC (SWR) bends 110mm bore, any radius complete all as directed.

S&F PVC (SWR) bends 75mm bore, any radius complete all as directed.

S&F PVC (SWR) vent cowl 75mm dia.

S&F PVC (SWR) vent cowl 110mm dia.

S&F in repairs PVC (SWR) floor trap plain with grating including jointing with solvent cement 75mm dia outlet.

M&L Jointing only cast iron pipes and fittings or AC pipes and fittings with PVC pipes, in repairs, with cement joints etc all as specified and directed by Engineer-in-charge

S&F in repairs PVC valve less, syphonic action type, flushing cistern, 10 litres capacity, low level, white, with inlet, ball valve, float and handle, brackets complete including PVC connection and outlet pipe all as directed. [Make: 'Slim line' of M/s Parry ware/ 'Champion' of M/s Hindustan Sanitary ware/ 'Sleek+' of M/s Hindware]

S&F in repair vitreous china white flat back wash hand basin 550 x 440mm size including 15mm dia PVC connection 600mm long, brass CP waste coupling, 32mm dia PVC waste pipe, CI/MS brackets including cutting for and pinning in brackets or fixed with brass screws all as directed.

S&F in repairs vitreous china ware wash down water closet pan (pedestal pattern) white including PVC seat cover with mild steel chromium plated or aluminized hinging device, fixing bolts jointing to flushing cistern and flush pipe anti syphonage pipe etc complete all as specified and directed

S&F in repairs vitreous china urinals half stall type complete including urinal spreader pipe, providing and fixing plugs, bedding urinal against wall in CM 1:2, securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in white cement all as specified.

S&F 15mm Bib tap standard of PTMT any colour high pressure screwed for iron pipe and fixed in repairs all as specified. (Minimum weight 90gms)

S&F 15mm Pillar taps of PTMT any colour high pressure screwed for iron pipe and fixed in repairs all as specified. (Minimum weight 110gms)

S&F 15mm angle valve any colour high pressure screwed for iron pipe and fixed in repairs all as specified. (Minimum weight 110gms)

S&F 15mm Stop valve of PTMT with long shank and cup (concealed type) any colour high pressure screwed for iron pipe and fixed in repairs all as specified. (Minimum weight 110gms)

Taking down Chowkats or frame not exc 1.5Sqm each with shutters (without taking off shutters from the frames), all as specified.

S & F solid PVC door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. square tube complete all as specified inSSR Part-II section -8 and directed by Engineer -In-Charge.(Make-Sintex/Rajshree wood plastic limited/Nandi/National)

S & F factory made solid panel PVC door shutter 30mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails M.S. frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail and bottom rail panelling of plain colour PVC sheet to be fitted in the M.S. frame welded/sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, & S & F in the frame at site as per specification and as directed by Engineer-in-Charge. (Make-Sintex/Rajshree wood plastic limited/Nandi/National)

S&F MS butt hinge cold rolled medium weight 100mm size

S&F anodised aluminium barrel tower bolt 150mm long.

S&F 'D' type handle aluminium anodized 125mm in size.

S&F Aluminium Sliding Bolt of Size 200mm

Taking down cement or cement lime plaster on brick or stone walls etc incl raking out joints, hacking for key scrubbing down with water etc.

M&L rendering 5mm thick with WPC over 10 mm thick on concrete surfaces or fair face of brick work or PCC block masonry in CM 1:4 finishing the surfaces fair and even

M&L for preparation of new plastered surfaces of walls and applying two coats of weather proof exterior emulsion over a coat of exterior primer complete all as specified. [Make of Exterior emulsion: 'Weather Shield Powerflexx' of M/s ICI Dulux/ 'Apex Ultima' of M/s Asian Paints/ 'WeatherCoat Long Life' of M/s Berger Paints]

M&L for preparation of new surfaces of walls over alkali resitant primer & applying two coats of cement base paint.

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth.

Taking up or down galvanized steel tubing 15mm bore with fittings.

Taking up or down galvanized steel tubing 20mm bore with fittings.

Taking up or down galvanized steel tubing 25mm bore with fittings.

S&F GI tubes 15mm bore dia medium grade galvanized, with all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed.

S&F GI tubes 20mm bore dia medium grade galvanized, with all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed.

S&F GI tubes 25mm bore dia medium grade galvanized, with all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed.

Refixing of steel tubing 15mm and connecting in new or old position wall ceiling floors etc.

Refixing of steel tubing 20mm and connecting in new or old position wall ceiling floors etc.

Refixing of steel tubing 25/32mm and connecting in new or old position wall ceiling floors etc.

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and n. exc. 1.5m in depth and getting out in hard/ dense soil all as specified.

Excavating in trenches n. exc. 1.5m wide and depth exc. 1.5m but n.exc. 3.00m for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and getting out in hard/ dense soil all as specified.

Removing excavated materials to a distance not exc. 50m and depositing where directed at a level n.exc 1.50m above the starting point all as specified.

Returning, filling in including spreading leveling watering and well ramming in layers not exc. 25cm in any type of soil all as specified.

Demolition of PCC of any description in any position

M&L for plain cement concrete 1:4:8 type D2 (using 40mm graded stone aggregate) as in foundation filling and mass concrete all as specified and as directed.

M&L for plain cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in channel benching concrete etc. all as specified and as directed.

Demolition of brick work or stone masonry built in cement mortar including all quoins, arches, pillars, etc complete all as directed.

M&L for brick work with fly ash bricks straight or curved on plan exc. 6m mean radius using modular bricks built in cement mortar (1:6) all as specified.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position not otherwise specifically provided for all as specified.

M&L Providing precast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces set in cement mortar 1:4 complete all as specified and as directed. [Note: Reinforcement shall be measured and paid separately under relevant item of this BOQ]

S&F high strength deformed TMT steel 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 all as specified and as directed.

S&F high strength deformed TMT steel bars 6 to 8mm dia, 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 all as specified and as directed.

Supply and laying in trenches DWC HDPE flexible pipe of 195mm internal dia Class SN-4 with socket & spigot joints conforming to IS 16098 (Part-2) along with connected accessories like couplers, bends, end caps etc. for sewage application all as specified and as directed.

B SRINIVAS (BID ID -3161870)

ANJALI CONSTRUCTIONS (BID ID -3164698)

K R VARMA (BID ID -3159679)

ROHITH INFRA (BID ID -3163812)

LAKSHMI SAI CONSTRUCTIONS (BID ID -3164947)

Sai Srija Constructions (BID ID -3164477)

N E R CONSTRUCTIONS (BID ID -3164524)

SRI SRK ENGINEERS (BID ID -3164029)

MVV Prasad (BID ID -3161816)

cevelworck (BID ID -3164122)