Repairs and maintenance works to C3 C4 C5 C6 D1 D2 D4 quarters and common area maintenance at staff quarters Vivekananda Nagar Trivandrum

Amount

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Brick work 7 cm thick with common burnt clay F.P.S. (non modular) brick of class designation 7.5 in cement mortar 1:3 (1 cement : 3 coarse sand) in superstructure above plinth level and upto floor five level.

Providing and fixing ISI marked IS:1341 M.S. pressed butt hinges bright finished with necessary screws etc. complete :

Providing and fixing oxidised M.S. casement stays (straight peg type) with necessary screws etc. complete (Copper oxidised as per IS 1378)

300 mm weighing not less than 330 grams

Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :

Providing and fixing factory made P.V.C. door frame of size 50x47 mm with a wall thickness of 5 mm, made out of extruded 5mm rigid PVC foam sheet, mitred at corners and joined with 2 Nos of 150 mm long brackets of 15x15 mm M.S. square tube, the vertical door frame profiles to be reinforced with 19x19 mm M.S. square tube of 19 gauge, EPDM rubber gasket weather seal to be provided through out the frame. The door frame to be fixed to the wall using M.S. screws of 65/100 mm size, complete as per manufacturer’s specification and direction of Engineer-in-Charge.

Providing and fixing factory made panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and size of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. M.S. frame shall have a coat of steel primers of approved make and manufacture. M.S. frame covered with 5 mm thick heat moulded PVC ‘C’ channel of size 30mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered in 45 degree on the inner side to form top and bottom rail and 115 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall

be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided both side of the panel. 10 mm (5 mm x 2 ) thick, 20 mm wide cross PVC sheet be provided as gap insert for top rail & bottom rail, paneling of 5 mm thick both side PVC sheet to be fitted in the M.S. frame welded/ sealed to the styles & rails with 7 mm (5 mm+2 mm) thick x 15 mm wide PVC sheet beading on inner side, and joined together with solvent cement adhesive. An additional 5 mm thick PVC strip of 20 mm width is to be stuck on the interior side of the ‘C’ Channel using PVC solvent adhesive etc. complete as per direction of Engineer-in-charge, manufacturer’s specification & drawing.

30 mm thick plain PVC door shutters.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.

Using M.S. angels 40x40x6 mm for diagonal braces

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-charge.

With cement mortar 1:4 (1 cement : 4 fine sand).

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..

In cement mortar

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :

Of area 3 sq. metres and below

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

15 mm to 40 mm nominal bore

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps

Providing and fixing brass stop cock of approved quality :

15 mm nominal bore

Providing and fixing solid plastic seat with lid for pedestal type W.C. pan complete :

White solid plastic seat with lid

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

(a) Semi rigid pipe (i) 32 mm dia

Pressure grouting with non shrinking pressure grouting admixture Fosroc Cebex 100 @ 250 grams/ bag of cement at all the water dripping areas, construction joints, and other highly pores areas minimum 30 cm interval as directed by the Engineer-in-charge at site.

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately).

First class country wood like Anjily/Plavu or imported wood like Violet/Pincoda

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows including black enamelled M.S butt hinges with necessary screws excluding panelling while will be paid for seperately, all complete as per direction of Engineer-in-charge.

First class country wood like Anjily/Plavu or imported wood like Violet/Pincoda (i)35 mm thick shutters

Repair work of woodden pannelled doors/windows/cupboards and easening of same including taking out the shutter, providing new bottom rail with good quality wood of same species as exisiting door securing the rigidity of the joints by using additional clamps as required ,refixing after necessary repairs including the cost of new hinges if needed etc all complete as directed by the Engineer-in-charge.

Removing and refixing the wash basin from the existing location using necessary new fixing bolt and sealents all complete as directed by the engineer incharge

Checking and attending minor repair work of plumbing and minor repair of taps around W/C, washbasin, sink etc including the cost of materials as directed by the Engineer-in-charge.

Providing and fixing PVC pipes complete with PVC fittings and clamps, including cutting and making good the walls etc. (internal work) ;-

32mm nominal outer dia Pipes

Cleaning of full quarters area including toilets ,using necessary cleaning solution, cleaning of all shelves and cupboards, cleaning of cement and tiled floors and dado including filling of holes with cement paste mixed with matching pigment including deep cleaning of toilet walls, Floors, water closets, wash basins etc by using cleaning detergents as directed by the Engineer-in-charge including cost of all materials.

C Type(4 Nos)

D type(2 Nos)

Common area(D&C block)

Removal of blockage and revamping of drainage manholes including connecting lines,repairs to side walls and cover. All complete as per direction of Engineer in Charge.

Trimming the branches of trees which are falling over the buildings by using necessary tools ropes etc

Clearing leakage/ blockage to gully trap/floor trap including the cost of materials as directed by the Engineer-in-charge.

Cutting and removal of ficus saplings by dismantling integral water proofing compound/ cement concrete/ brick work in cement mortar etc including complete removal of its roots and making good the dismantled portion by using cement concrete 1:1.5:3 ( 1 cement: 1.5 coarse sand: 3 graded stone aggregate 20mm nominal size) with water proofing compound etc all complete at all heights as per the direction of Engineer-in-charge at site.

Repairs to RCC Structural elements of framed or load bearing structure such as beams, columns, slabs, fins,facias,etc.including scaffolding up to fifth floor terrace level with following operations :-

a) Removing all spalling concrete/cement mortar from the body frame by tapping the debonded concrete surface beyond 2 to 3 mm from the rusted reinforcing bar completely and cleaning all the reinforement bars.

b)Washing the cleaned reinforcing bar with clean water and applying one coat of anticorrosive Nitozinc primer on dried bar using paint brush.Care shall be taken to see that the applied primer makes an unbroken continuous film.

c) After cleaning the bar,applying one coat of bonding agent Nito AR on the exposed bar and concrete surface.

d)Covering the exposed bar as well as the affected concrete with high protection high strength Rendroc.

e)Covering the surface with modified polymer mortar to the required thickness (applied in layers not more than 25mm thick ) including finishing ect. completed and as directed by the Engineer in charge.

Water proofing with elastomeric water proofing coating based on synthetic resin emulsion of make Dr. Fixit roof seal on well cleaned open terrace as per manufactures specification and allow drying completely etc. as directed by the Engineer-in-charge at site.

Cleaning of terrace at floor III level(D block & C Block) including disposal of debris at approved dumping yard etc including scaffolding charges as directed by the Engineer-in-charge at site..

Coolie

Shifting the furniture such as tables, shelves, chairs, etc. from the D4 staff quarters at Vivekananda Nagar to any near staff quarters within the campus, without making any damages to the furniture and numbering ,stacking the same as per the directions of the Engineer in charge .The cost shall be inclusive of all operations of loading ,unloading and manuel conveyance.

Credit for dismantled unserviceable items

Wood planks

L KRISHNANKUTTY (BID ID -786558)