PROVISION ADDITION AND ALTERATION OF CERTAIN SECURITY WORKS AT NSTL, VISAKHAPATNAM

Amount

(a) Waterproofing for terrace: Remove the existing Tile and Weathering Course up to the mother slab Cleaning the surface areas thoroughly so that they are free of all contaminants like dirt and laitance & to remove all the loose materials by various mechanical means. Removal of all surface Imperfections, protrusions, loose concrete & filling of cracks using ShaliCrete Polymer Modified Mortar in the ratio ShaliCrete : Cement : Sand (1:2:5). (b) Providing and making vata at the junction of the walls and the slabs using PMC mortar in the ratio of ShaliCrete : Cement : Sand (1:2:5) using ShaliSBR Latex as the bond coat.

(c) Correct all construction joints by grouting with ShaliGrout IP at 1 mapart and opening of joints in “V” cut groove and fill with PMC mortar, using ShaliSBR Latex as the bond coat. (d) Supply & application of ShaliUrethane LHM single component, PU waterproofing coating having 700% elongation with the help of brush or rollers by thoroughly mixing with a power mixer @ 1.2 to1.4 kg / m² in two coats sandwiched with GF mesh / Geotextile Fabric including surface preparation. Broad casting of 100 meshsieved sand to be done on the top coat to facilitate adhesion of next layer. The elastomeric membrane having these properties: Tensile Strength, 28 days, MPa (ASTM D-412): 2; Adhesion to Concrete, MPa (ASTM D-4541): 2.5; Crack Bridging Ability @ 9°C,mm (ASTM C-836): Upto 1.5. (e) Top Screed modified with Integral Waterproofing Chemical: Placing a seperation layer of 120 GSM geotextile fabric over the waterproofing membrane and carrying out sloping screed on top of it over the with cement modified @ 0.4% with ShaliPlast LW+ for waterproofing.

M&L for Coloured Non Skid ceramic tiles 7 to 8 mm thick (square / rectangular) area of each tile exc 0.11 sqm but n exc 0.18 sqm in floors over and including 15mm thick screed in CM 1:4 etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed (colour & design approved by Engineer-in-Charge).

Providing & fixing water closet squatting pan (Indian type WC pan) with 100mm sand cast iron 'P' or 'S' trap,10 litre low level white PVC flushing cistern including flush pipe with manually controlled device (handle lever) confirming to IS 7231 with all fittings and fixtures complete including cutting and making good the walls and floors wherever required by removing old white vitreous china orissa pattern WC pan 580 x 440mm with integral type foot rests complete all as specified and directed.

Providing & fixing fly proof wire gauge to windows, clerestory windows & doors with M.S. flat 15 x 3 mm and nuts & bolts complete stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm on both sides complete all as specified and directed.

S&F in repairs 15 mm bore chromium plated bib taps, cast copper alloy, with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

M&L for moorum / red bajri filling in floor or paving laid in layer n exc 15cm thick spread levelled and ramed including watering complete all as specified and directed.

M&L for hardcore of broken stone or boulders gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L for 100 mm thick cement concrete type D-2 1:4:8 (using 40 mm graded granite stone aggregate) in sub base of flooring finishing the surface even and smooth without using extra cement, complete all as specified and directed.

Demolishing RCC work manually / by mechanically 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 in cement mortar manually / by mechanically means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal or rubbish the dumping ground within 50mtr lead complete all as specified and directed.

Providing & laying in position ready mixed or site batched design mix cement concrete of M-30 grade with minimum cement content of 350 Kg/Cum for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the Engineer-in-Charge.

Steel reinforcement for R.C.C. work ready to use "cut and bend" rebars of approved make from factory / workshop to construction site including placing in position and binding all complete upto plinth level. Thermo-Mechanically treated bars of grade Fe-500D or more complete all as specified and directed.

Providing formwork centering and shuttering including strutting, propping etc. and removal of form for weather shade, chajjas etc, including edges complete all as specified and directed.

M&L for rendering 6 mm thick on fair faces of brick work or concrete surfaces of ceilings in cement mortar 1:3 and finished even and smooth without using extra cement including providing and mixing of water proofing compound wherever required complete all as specified and directed.

M&L for white washing with lime to give an even shade new work (three or more coats) as in ceiling complete all as specified and directed.

S&F, mild steel work in hand rails, wind ties, posts and struts in fencing screwed or welded to shape as directed, including all necessary drilling, bolting or riveting etc., and similar work confirming to Fe 290 Gde E-195 complete all as specified and directed.

M&L for brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor V level in Cement mortar 1:6 (1 cement : 6 Coarse sand) complete all as specified and directed.

M&L for 12 mm cement plaster of mix : 1:6 (1 cement : 6 fine sand) all as specified and directed by Engineer-in-Charge.

Finishing with Deluxe multi surface paint system for interiors and exteriors using primer as per manufactures specification two or more coat applied on walls @ 1.25ltr/10 Sqm over and including one coat of special primer applied @ 0.75ltrs/10 Sqm complete all as specified and directed.

Providing and laying in position plain cement concrete 1:3:6 (using 20 mm graded granite stone aggregate) cast in situ in lintels up to 1.5 M span, cills and other similar work bands, plinth courses, parapets, copings, bed plates, bonds and the like including weathering, slightly rounded or chamfered angles and throating as directed including use and waste of formwork complete all as specified and directed.

Preparation of new or previously untreated steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying synthetic enamel paint of approved brand and manafacture of required colour to given an even shade one or more coat on old surface complete all as specified and directed.

Providing & fixing precoated galvanised iron profile sheets (size, shape & pitch of corrugation as approved by Engineer-in-Charge) 0.50 mm (+ 0.05%) total coated thickness 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 / self tapping screws of size (5.5 x 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.

Providing & fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+ 0.05%) total coated thickness, 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 using self drilling / self tapping screws complete on Ridges plain (500 - 600mm) complete all as specified and directed.

Providing & fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections / appropriate Z sections and other sections of approved make conforming to IS: 733 & IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber / neoprene gasket etc. aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-Charge. (Glazing and paneling to be paid for separately) : Powder coated aluminium (minimum thickness of powder coating 50 micron) complete all as specified and directed.

Providing & fixing aluminium tubular handle bar 32mm outer dia, 3mm thick and 2100mm long with SS screws etc for shutters of doors, windows & ventilators including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required including all fittings required at site complete all as directed by Engineer-in-Charge powder coated aluminium (minimum thickness of powder coating 50 micron) complete all as specified and directed.

Providing & fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural rawings and the directions of Engineer-in-Charge. (Cost of aluminium snap beading shall be paid in basic item): with float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm.

Filling the gap in between aluminium frame & adjacent RCC / brick / stone work by providing weather silicon sealant over backer rod of approved quality as per architectural drawings and direction of Engineer-in-Charge complete upto 5mm depth and 5 mm width.

Steel work welded in built up sections / framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works complete all as specified and directed.

Supplying at site angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10cm length and drilling holes upto 10 mm dia etc. complete providing and fixing M.S. round or square bars with M.S. flats to required spacing in steel frames of steels and clerestory windows complete all as specified and directed.

Providing & fixing 1st quality ceramic glazed wall tiles of 7 to 8mm thick area of each tile exceeding 0.11 sqm and not exceeding 0.18sqm conforming to IS: 15622 make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc all complete. (Payment for Stone to be made separately).

Supplying & stacking of hard stone (for stone pitching) 22.5 cm thick at site complete all as specified and directed.

75 mm thick moorum back filling for pitching including supplying of required moorum and consolidation etc. complete all as specified and directed.

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exc 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out in all kinds of soils and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-Charge all kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers n exc 20cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m complete all as specified and directed.

Removing excavated soil material to a distance n. exc 50m and depositing where directed at a level n exc 1.5m complete all as specified and directed.

Providing & laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (Zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) complete all as specified and directed.

Providing & laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand (Zone-III) derived from natural sources : 6 graded stone aggregate 20 mm complete all as specified and directed.

Providing & laying in position ready mixed or site batched design mix cement concrete of M-30 grade with minimum cement content of 350 Kg/Cum for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete to improve durability and work ability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the Engineer-in-Charge.

Providing & fixing of customized aluminium formwork for monolithic construction on RCC members with repetitive usage made up of aluninium sheets / plates of minimum 4mm thickness and grade 6061 (type-6). The formwork comprises of (a) wall panel, rocker, kicker and internal soffit corner, external soffit corner, external corner, internal corner etc., (b) beam components i.e, beam side panel prop head for soffit beam, beams soffit panel, beam soffit bulk head (c) deck components i.e. deck panel, deck prop, prop length, deck mid, soffit length, deck beam bar. The panels are held in position by a simple pin and wedge system that passes thorugh holes in the out side rib of each panel. The tolerance of finished panel shall not be less than (-1 mm) and shall conform to IS 14987-1999. Pins and wedges to be made of high grade hot dipped galvansied mild steel.

This form work also comprises of M.S. angle iron, 'Z' shaped brackets braced diagonally at 0.90 to 1.00 mtr centre to centre on extrenal wall face just the level below on which to lay M.S. square tube panels (Challis) and guard railing supports to form working platform and 40 mm dia G.I. telescopic adjustable props to support deck formwork and beam soffit panels including de-shuttering the formwork from odd / even level to be shifted / lifted to next alterante odd / even level before which the points and shuttering surface to be thoroughly cleaned, pins greasing and shuttering surface oiling propoerly before fixing all complete including sealing of gap between kicker plates of wall panel and floors (if any) as per design of formwork as provided by shuttering supplier and as per direction of the Engineer-in-charge including filling and finishing the holes of varied sizes and shapes (left by keys / pins of aluminium form work shuttering while deshuttering) with GP-2 cementeous polymer compound mixed with water in ratio prescribed by manufacturer to form consistent workable dough for pushing it in the holes upto full depth of wall using appropriate tools and finishing smooth all complete as per directions of the Engineer-in-Charge.

Supply, fixing, commissioning & testing of 16 M high mast shaft in two sections suitable for 50 m/sec wind speed as per IS: 875 Part-III, with head frame, winch mounting bracket, luminaries carriage suitable to install 08 Nos 350W LED flood light luminaries in symmetrical arrangement. The following undermentioned include scope of work: - (i) Supply & fixing of raising lowering system comprision double drum winch, 5mm diameter SS wire rope, 3 rope system, trailing cable, connector, integral power tool motor, manual handle, junction box, lightening finial. (ii) Supply & fixing of foundation bolts manufactured from special steel along with nuts, washers, anchor plate and common template.

(iii) Supply & fixing of LED flood lights of 350W LED of 08 Nos made up of pressure die cast aluminium housing with toughned glass and high power LEDs secondary lenses with IP 66 protection. (iv) Supply & fixing of LED type single dome aviation obstruction light. (v) Supply & fixing of outdoor stand mounted feeder pillar with 32A TPN MCB incomer, light sensor time switch, 25A TP contactor for the automatic switching of luminaries, power tool control with 02 Nos, 9A contactors and raise lower push button, incoming 35 sq. mm and out going 16 & 2.5 sq. mm terminals. (vi) Excavation for foundation of 16 Mtr high mast, necessary RCC foundation as per drawing submitted by OEM duly approved Engineer-in-Charge including suitable size & quantity foundation nut & bolts complete all as directed and specified.

S&F, SEARCH LIGHT WITH STAND ARRANGEMENT revolving full around 360 Degree & its vertical axis with 15 degree up and down from the horizontal plane using motorised model, complete lighting based on fully LRF model made of 3mm low carbon aluminium alloy with die-cast back housing, the main reflector is in glass with SS side refelector, 4 mm thick toughened front glass with endless neoprene rubber gasket, focusing arrangement for adjustment of light-beam narrow or spread option, painted by powder coated paint & finished with special polyurethane weather proof coating for corrosion resistant, seperate control gear / panel suitable for LED based lighting of 250 W complete all as specified and directed. Model item code: (Kalin Engineering Works-MRSL-LRFLL25-PC25) / or any other equivalent make as per approved make list.

S&F, SEARCH LIGHT WITH STAND ARRANGEMENT revolving full around 360 Degree & its vertical axis with 15 degree up and down from the horizantal plane using UNDER DECK CONTROL ARRANGEMENT (UDCA), complete lighting based on fully LRF model made of 3mm low carbon aluminium alloy with die-cast back housing, the main reflector is in glass with SS side refelector, 4 mm thick toughened front glass with endless neoprene rubber gasket, focusing arrangement for adjustment of light-beam narrow or spread option, painted by powder coated paint & finished with special polyurethane weather proof coating for corrosion resistant, seperate control gear / panel suitable for LED based lighting of 250 W complete all as specified and directed. Model item code: (Kalin Engineering Works-RSL-LRFLL25-PC25) / or any other equivalent make as per approved make list.

M&L for wiring for light point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required complete all as specified and directed.

Supplying & fixing, 3 pin, 5 A ceiling rose on the existing junction box / wooden block including connections etc, as required complete all as specified and directed.

Taking down old light fittings of any type, any wattage from wall / ceilings / poles complete including making good to the disturbed surface to match with the existing and refixing after renovation of watch tower with new light fittings complete all electrical connections make it functional complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth including taking down old cable in soft / loose soil complete all as specified and directed.

M&L for dry river sand cushioning to under ground cable intrenches including spreading, levelling and hand punning complete all as specified and directed.

Supply & laying un-reinforced precast concrete cable cover class LV type I, size 250 x 150 x 40mm complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified and directed.

Cutting trench of width 30cm and depth n. exc. 60cm through road / hard standing for laying cable through GI pipe and returning, filling in including spreading leveling watering and well ramming in layers n. exc 25cm after laying the cable complete all as specified and directed.

GI tubing light grade 40 mm for cable protection, laid under plinths / floors / roads / paths / culverts or fixed on walls or concealed in walls or along the steel poles by means of M.S.F.I clamps with necessary bolts nuts & washers etc complete all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming in layers n. exc. 25 cm in thick complete all as specified and directed.

Removing excavated material to a distance not exc 50 mtr and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified by the Engineer-in-Charge.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25.0 sq mm, 4 core laid in ducts / wall / cable tray / trenches with suitable size complete all as specified and directed.

M&L for providing earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below ground level with top edge of the plate not less than 1.5mtr below normal ground level) connected to galvanised iron earth strip 25 x 4 mm as earthing lead by means of bolts, nuts, check nuts & washers of GI or steel and connecting to earth dolly all as shown in electrical plate No 3 connected to earth test point all as specified and indicated including testing on complete all as specified and directed.

Dismantling steel work in single section including dismembering and stacking within 50 metres lead in channels, angles, tees and flats complete all as specified and directed.

Demolishing cement concrete manually / by mechanically means including disposal of material within 50mtrs lead as per the direction of Engineer-in-Charge nominal concrete 1:4:8 (I/e equivalent design mix).

Demolishing RCC work manually / by mechanically means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.

Demolishing brickwork in cement mortar manually / by mechanically means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal or rubbish the dumping ground within 50mtr lead complete all as specified and directed.

S&F, mild steel work in hand rails, wind ties, posts and struts in fencing screwed or welded to shape as directed, including all necessary drilling, bolting or riveting etc., and similar work confirming to Fe 290 Gde E-195 complete all as specified and directed.

S&F in repairs galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured).

S&F in repairs razer type concertina coil, 9 SWG hot galvanised, spring tensile wire, 145 to 150 newton per sq mtr, zinc coating 250 to 300 gms per sqm. dia of coil when unstretched 650mm dia, minimum No. of coils 10 per running meter, after laying, hot dip galvanised razor ribban tape of size 0.50mm thick 19mm wide before wrapping, on central core wire fixed with 1.66mm thick GI clips 25 Nos per running meter and special nut bolts, hold Z coil together and extra two rows parallel wire of 10 guage, complete all as specified and directed.

M&L for walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:6, complete all as specified and directed.

M&L for walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:6 except stone, complete all as specified and directed.

Raking out joints in lime or cement mortar and preparing the surface for re-pointing or replastering, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.

Brickwork with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level upto floor V level in Cement mortar 1:6 (1 cement : 6 Coarse sand) complete all as specified and directed.

12 mm cement plaster of mix 1:6 (1 cement : 6 fine sand) complete all as specifid and directed by Engineer-in-Charge.

M&L for Plain Cement Concrete 1:3:6 type B1 (using 20 mm graded granite stone aggregate) cast in situ in lintels up to 1.5 M span, cills and other similar bands, plinth courses, parapets, copings, bed plates, bonds and the like including weathering, slightly rounded or chamfered angles and throating as directed including use and waste of form work complete all as specified and directed.

Preparation of new or previously untreated steel surfaces of any description, over 10 cm width or girth, not otherwise described synthetic enamel paint of approved brand and manafacture of required colour to given an even shade applying one or more coat on old surface complete all as specified and directed.

S S V R PROJECTS AND INFRASTRUCTURE (BID ID -3106055)

GOLLAPALLI APPA RAO (BID ID -3111067)

RAGHU RAMA PANDA (BID ID -3113613)

SIVA MARUTHI ENTERPRISES (BID ID -3124677)