ADDITION AND ALTERATION CUM SPECIAL REPAIRS TO ROOF COVERING OF DMDE MAIN BLDG AT DMDE SECUNDERABAD

Amount

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars complete all as specified.

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

Dismantling fiber sheets (corrugated, semi corrugated, etc) in roof coverings or wall claddings etc complete all as specified and as directed.

Dismantling timber scantlings 40 sq. cm and over in section, in any position, framed work complete all as specified and as directed.

Dismantling timber fillets, rails , posts, rafters, purlins etc under 40 sq cm in section, framed work complete all as specified and as directed.

Dismantling of reinforced cement concrete of any description and in any position not otherwise specifically provided for and removing rubbish away from MOD land complete all as specified.

M&L providing cement concrete type B1, 1:2:4 using (20 mm graded aggregate) in bands, plinth courses, string courses, lacing courses, parapets, copings, kneelers, apex stones, bed plates, holdfasts, kerbs and similar items including weathering, slightly rounded or chamfered angles and throating, as directed

Taking down cement plaster on brick walls, raking out joints hacking for key, scrubbing down with water etc and removing rubbish away from MOD land complete all as specified and directed.

M&L for 15 mm thick rendering in cement mortar (1:4) on fair face of brick walls finished even and smooth without using extra cement complete all as specified and directed.

M&L for preparation of Newly plastered surface and applying two coats of exterior antifungal paint as per manufacturers instructions over a coat of true care exterior wall primer over two coats of external birla putty 1.5mm thick each layer each to level the surface and finished smooth with emery paper No.180 followed by emery paper No.320 or 400 and wipe it clean complete all as specified and as directed by Eng-in-charge. Make:- APEX ULTIMA of ASIAN PAINT/ WEATHER COAT SMOOTH (BERGER PAINTS)/ WEATHER SHIELD MAX EXTERIOR ACRYLIC(DULUX)

S&F MS framed work as in tubular trusses, purlins, posts and the like fixed with angle cleats and connecting plates etc. including necessary cutting and welding etc using ERW or induction butt welded tubes conforming to IS 1161-1979 grade St-240 fixed in position complete all as specified and directed. Make:- SAIL/ TISCO/TATA/ RINL/ JINDAL Note:- (i) The tenderers / bidders are advised to visit the site of work before quoting. (ii) Fabrication shall be done at workshop only and eletricity is not available at site for fabrications. contractor has to make is own arrangement. Cost of the same is deemed including in the quoted rate.

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

S&F Pre-painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in ridges and valley gutters, fixed with self tapping screws as specified

M&L Prepration new steel surface of any description not other wise described over 10 cm width or girth and applying two coat of synthetic enamel paint over one coat of red oxide primer complete all as specified.

Cleaning of roofs, removing debris, vegitation growth, soil deposition, twigs and similar items etc and removing all debris outside MOD land complete all as specified and directed.

S&F 25 mm bore dia steel water tubes medium grade galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors incl taking down old pipes cutting/chasing in wall/floor complete all as specified

S&F 40 mm bore dia steel water tubes medium grade galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors incl taking down old pipes cutting/chasing in wall/floor complete all as specified

S&F in repairs 110 mm PVC (SWR) pipe single socketed in any length with rubber ring joints fixed to walls including all fittings (such as bends, elbows, Tee, short pieces, connectors, backnuts, diminishing pieces, caps,plugs and unions etc) complete all as directed.

S&F in repairs 150 mm PVC (SWR) pipe single socketed in any length with rubber ring joints fixed to walls including all fittings (such as bends, elbows, Tee, short pieces, connectors, backnuts, diminishing pieces, caps,plugs and unions etc) complete all as directed.

S&F 1000 litres capacity white rotational moulded polyethylene water storage tanks three layered (ISI marked) (Cylindrical vertical with threaded lid), hoisted & fixed in position including Tank Nipple and with union (Two Nos each) , fittings complete including taking down of old PVC water tank complete all as specified and directed. Make of tank: Sintex/Rotex/Polycon

S&F in repairs ball valve of PVC (Make Symet/Prayag) complete with aluminium rod with polyster ball for 25 mm dia iron pipe complete all as specified.

M&L for mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 5cm but n exc 10cm long, dia of neck 5 to 10 mm complete fixed in position all as directed.

M&L for steel anchor bolts of length 15cm long, dia of neck 10 to 12 mm complete fixed in position complete all as directed

Material and labour providing reinforced Cement Concrete Type B1 1:2:4 (using 20 mm graded stone aggregate) in columns,pillars etc all as specified and as directed.

Material and labour use & waste of form work to sides of pillars, posts, struts, piers, columns (Square or rectangular) and stanchions. for rough finished surfaces of concrete, complete all as specified and as directed

M&L for PCC 1:2:4, type B-1 (using 20mm graded stone aggregates) , nexc 100 mm thick as in levelling course over roofs complete all as specified and as directed

Supply and fixing Mild steel TMT bars 10 mm 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 0.9 mm dia., or securing with clips all as specified and as directed.

Supply and fixing Mild steel TMT bars 5mm dia and over upto and including 10 mm dia, as in stirrups spacers links etc quality conforming to TMT bars complete all as specified and as directed.

Demolition of cement concrete (unreinforced ) in roofs, floors ( other than ground floors) , beams, staircase, landing, chajja, louvers etc and similar suspended works complete

Providing and carry out water proofing treatment to sound, moisture free concrete surface system includes proper surface preparation to remove loose dust, dirt, loose mortar , curing compound etc carry out cementitious injectiongrouting at leakage points and construction joints using cement slurry modified with Cebex 100 plasticised expandive ground admixture supplies in 225 gm pouch,treatment of construction joints using polymer modified mortar prepare by using Nitobond SBR latects, application of polymer modified batta at floor, wall junction, filling of annular space around rain water outlet using conbextra GP2 non shrink cementoinous grouts. Andulated surface and pot hole shall be treated with epoxy mortar or putty to obtained sound/ levelled surface. M&L for 15 mm thick 1:3 CM plaster with WP compound, Application of Armstrong Rain seel coat with rapidstrong 31 or equalent as per manufacturers specifcation and Application of primer Nito proof WB primer on sound mortar slab surface. Followed by application of coat of Nito proof 600 PF liquid applied single component pitch free polyurithane coating supplied in 25 kg drum coverage @ 2.30 Kg/ m2 to achieve 1.5mm thickness in two coats complete incluidng all tools and tackles as per manufacturers specifcation. Coating shall be having crack bridging of 2mm, elongation ( ASTMD 124 ) greater than 600 percentage, tensile strength ( ASTM D412) , 2.5 N/MM2 , recovery from elongation ( ASTM D412) , 95 percentage, 85 percentage of solid contantents, tear resistance ( ASTM D624) , 15 KN/M, shore A hardness ( ASTM D2240) , 60, water vapour transimission not more than 1 gm / M2 ,water permeability ( DIN -1048) - NIL, services tempreature - 40'c to 70 dgree 'c , flash point greater than 70'C HSE guidelines:-

It is recommanded to provide adequate general and local exhaust ventilations, providing protection to Eye, face, Hand and other skin by wearing appropriate glouse, google, face cilid, respiratory protection etc., directed in SDS of the product. Note: Roof treatment shall be carriedout through authorised applicator of manufacturer only. Stage passing shall be taken at every stage of roof treatment. Make: - Bostik, Berger, Fosroc, Sika, Asian or any other make approved by E-in-C’s Branch for PU based water proofing treatment.

M&L for joint free Roof tiles of size 300x300x10mm thick with SRI > 90 laid over & including cement mortar screed 15mm thick in CM 1:6 and pointed in epoxy grout match the shade of tiles complete all as directed. Make: HR Johnson Endura roof tiles or equivalent as approved by GE.

M&L for Preparing Old/newly plastered surfaces and applying 2 coats Co-polymer emulsion based paint for interior application (Royale Play or equivalent). Including one coat of priming over two coats of wall putty to make surfaces smooth. Note:- (i) The putty surface should be finished even smooth and dent free before application of primer, stage passing shall be taken for each building at every stage. ii) Paint work should be carried out by Authorised applicator with brand waranty.

M&L for point wiring complete with 1.5 Sqmm PVC insulated unsheathed single core multi standard FRLS copper conductor 1100 V grade drawn through in and including 20 mm dia PVC conduit concealed in walls/Ceiling and Terminated to sunken box of modular type including modular frame white cover plates suitable for fixing switches, sockets etc including 1.5 Sqmm PVC insulated Copper conductor cable as earth continuity conductor and connecting to common earth dolly complete all as specified and directed for the following:-

One light/ Fan point controlled by one way modular switch 6 Amps

S&F modular switch one way 6 amps 1 module

S&F ceiling rose two to three terminal surface backallite type AC 50Hz 230 volts complete

Supply and fixing LED lights fitting 1x 20W, 220V, AC batten type fittings with extruded aluminium housing PC diffuser and integrated electronic driver connector block etc and connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete.

Supply and fixing LED flood light fitting 70 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP-66 protection complete

Supply and fix in replacement of sheet metal enclosure distribution board, single pole and neutral, AC, 240 volt, 8 way, with 200 Amp rated copper bus bar and metal door with IP - 43 & IK 09 protection and flush to wall complete all as specified & directed.

Supply and fix in replacement of sheet metal enclosure distribution board, single pole and neutral, AC, 240 volt, 4 way, with 200 Amp rated copper bus bar and metal door with IP - 43 & IK 09 protection and flush to wall complete all as specified & directed.

Supply, fixing, testing and commissioning MCB single pole 6 to 32 Amps 240 v, 10 KA 'C' curve complete all as directed by Engr-in-charge.

Supply, fixing, testing and commissioning MCB SPN 40 Amps 240 v, 10 KA 'C' curve complete all as directed by Engr-in-charge.

S&F 16 SQMM 2 Core Aluminium unarmoured, flame resistant PVC flat cable, ISI marked all as specified and directed.

Taking down aluminium strip including air termination rods and saddles, removing materials to store for keeping in safe custody or taking credit and making good the disturbed surfaces of walls, floors, etc.

S&F Air termination, single pointed copper rod 12 mm dia and 1200 mm long vertical type including necessary fixing arrangements including provn of GI tubing grade 40 mm dia 2000 mm long embedded in PCC block ( size 30 cm x 30 cm x 30 cm) one end and other end fitted with air termination rod all as specified and directed.

S&F aluminium strip of size 25 x 3.15 mm with saddles and fixing screws etc for roof conductors and down conductors including epoxy insulators bus bar type 40 mm thick at an interval of 60 cm apart including all fixing arrangements all as specified and directed.

S&F test point terminal block made out of gun metal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including 3 nos 8 mm dia 25 mm long hexogonal head screws all as specified and directed.

S&F galvanised iron strip 32 x 6 mm from earth pit to test point provided laid in trenches/ fixed on walls, on epoxy insulators with screws and connecting complete all as specified and directed.

Material and labour for earthing complete with galvanised mild steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried vertically in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of the plate not less than 1.5 metre below normal ground level steel earth plate connected with GI wire 04 mm dia by means of lug, bolts, nuts, check nuts, washers of galvanised iron or steel GI protection pipe 15 mm bore light grade all as shown in elect plate No 3 on serial page No 497 of SSR part I - 2009 and connecting to main switch board / Main DB’s including excavation, earth work, salt and charcoal dust mixed and packed 150 mm thick around GI earth plate, GI pipe medium grade 20 mm nominal bore watering pipe GI sheet funnel wire mesh, concrete pit, RCC cover 40 mm thick in PCC 1:2:4 type B1 duly reinforced with MS Bars 6 mm dia at the rate of 75 mm centre to centre both way with 12 mm dia lifting handle and pit / chamber in PCC 1:3:6 type C1, Angle iron 40 mm x 40 mm x 3 mm frame for pit cover including testing on completion complete all as specified and directed.

SRI SAI ENTERPRISES

SUN LIGHT HOUSE

Anjana corporation

MOHAMMED GHOUSE

hari enterprises

K CHANDRAPAL REDDY

ELEVATORS MAINTENANCE ENGINEER WORKS

omsai thermax engineers