REPAIRS TO PVC WATER TANKS, GROUTING, GUNNITING OF REPAIRS TO CHAJJAS, BALCONYS CEILING PLASTERING OF EXTERNAL AND INTERNAL WALL AND PERIODICAL SERVICES AT ZONE A (TYPE B,C, JCOs, ORs ACCN) DRDO TOWNSHIP UNDER AGE B/R-I, KBAGH, HYDERABAD.

Amount

Taking down 15mm dia GI tubing and cleaning and refixing with all fittings and fixtures fixed to walls, ceilings etc complete all as directed.

Taking down 20mm dia GI tubing and cleaning and refixing with all fittings and fixtures fixed to walls, ceilings etc complete all as directed.

S&F in repairs rotational moulded polyethylene triple layered water storage tank of 1000 litres capacity cylindrical vertical type double layered with closed top hoisted including taking down existing water tank complete all as directed. Note:- 1. Safety gears required for work deemed to be includes in quoted rate.

S&F rotational moulded polyethylene water storage tank of 1000 litres capacity cylindrical vertical type double layered with closed top hoisted ,complete all as directed. Note:- 1. Demolition of 1000 Liters capacity RCC/PCC tank is included in quoted rate. 2. Safety gears required for work includes in quoted rate.

Supplying and laying of 16mm CPVC Pipes & fittings on walls/ceiling or laying in floors Taking up or down 15mm dia steel tubing complete all as specified and as directed Note:- Fittings required shall be measure paid as supply only

Supply only CPVC Brass Elbow 16 mm

Supply only CPVC Brass Tee 16 mm

Supply only CPVC Male Brass Threaded Adaptor (MTA/ MBTA) 16 mm

Supply only CPVC Female Brass Threaded Adaptor (FTA/ FBTA) 16 mm

Supply only CPVCTank Adaptor 16 mm

Supply only CPVC UNION 16 mm

Supplying and laying of 20mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors including taking down 20 mm GI tubing complete all as specified. Note:- Fittings required shall be measure paid as supply only

Supply Only CPVC Brass Elbow 20 mm

Supply Only CPVC Brass Tee 20 mm

Supply Only CPVC Male Brass Threaded Adaptor (MTA/ MBTA) 20 mm

Supply Only CPVC Female Brass Threaded Adaptor (FTA/ FBTA) 20 mm

Supply Only CPVCTank Adaptor 20 mm

Supply Only CPVC UNION 20 mm

Cleaning and removing all scale and dirt etc from water tanks of capacity exceeding 500 ltrs and not exceeding 1000 ltrs from mouths of circulating pipes etc complete all as directed.

S&F in repairs gun metal globe or gate valve with iron wheel head, screwed both ends for iron pipe, suitable for 20mm bore complete all as directed.

Supply and fix 20mm dia Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as directed.

Supply and fix in repairs 20mm dia Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as directed.

M&L for Brick work with sub- class 'B' old size bricks straight or curved on plan to any radius in half brick thick wall in cement mortar 1:4 including demolition of Brickwork or stone/boulder masonry complete all as specified and directed.

M&L for brick work with sub class 'B' bricks straight or curved on plan exc 6m mean radius built in CM 1:6 demolition of Brickwork or stone/boulder masonry complete all as directed.

M&L for rendering 15 mm thick in CM (1:6) on brick or concrete surfaces finished even and smooth without using extra cement on brick/concrete/stone masonry surfaces of any description including racking out joints, hacking for key and scrubbing down Note : Rate quoted shall be inclusive of necessary scaffolding etc. up to 4th storied building.

M&L for preparation of Newly plastered surfaces of walls/ ceiling, washing with water and applying two coats of Distemper paint as per manufacturers instructions over a coat of primer over two coats of 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:- TRACTOR EMULSION of ASIAN PAINTS /JOHNSON & NICHOLSON (JOHNSOLIN)/ BERGER PAINT

M&L rendering 5mm thick in CM 1:3 on ceiling, finished even and smooth (without using extra lime or cement) including taking down existing plastering complete all as directed.

M&L for applying three coats of white washing on new plastered surfaces of ceiling including preparation of surfaces.

Rendering 15mm thick in cement mortar CM 1:4 in two layers (First coat 10 mm thick and second 5 mm thick)using water proofing compound in 2nd layer @2% by weight of cement and finished fair and even complete all as specified and as directed including taking down cement plaster on brick/concrete/stone masonry surfaces of any description and racking out joints, hacking for key and scrubbing down with water complete Note : WPC will be measured and paid separately. Note : Rate quoted shall be inclusive of necessary scaffolding etc. up to 4th storied building.

M&L for preparation of Newly plastered surface and applying two coats of exterior antifungal exterior 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) 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.

Supply only integral waterproofing compound complete all as directed

M&L for cement concrete 1:2:4 type B1 (Using 20 mm graded stone aggregate) as in coping, benching, platform for water tank, channel, etc. incl necessary formwork including demolition of existing concrete complete all as specified and directed.

M&L Rendering 10mm thick in CM 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

S & F TMT bars, 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking, welding, ends and binding with & including MS wire (annealed) not less than 0.9mm dia or securing with clips and Thermo / Mechanically Treated bars of grade Fe- 500D or more all complete all as specified and directed.

M&L for RCC Structure demolitions with Caution as following :- (i) Removing plaster, loose concrete & finishes all around the columns, slabs & beams (on all sides of column to apprvoed height, three sides of beam to entire span & bottom of slab to area as directed) (ii) After cleaning gently removing cover concrete using pneumatic/electric chipper or any other approved tool in entire portion of structural member (removal of cover concrete shall be done to an extent when reinforcement is visible) (iii) Removal of cover concrete with under cutting of up to a depth of 20mm beyond reinforcement around full circumference & full length of bar where directed. (concrete shall be stripped to an extent concrete substrate is exposed) (iv) Removing visible rust along the length of reinforcement using hand tools as approved. (The Engr-in-charge may order sand blasting if rust is approved) (v) Any other work as directed by Engr-in-charge to present clean surface for determination of type of repair to be carried out complete all as specified and directed. Note:- Scaffoloding up to Ground+3 and Safety tools required are deemed to be included in te quoted

M&L for Providing & Pouring Micro concreting M-40 grade :- Immediately after application of epoxy bond coat as above pour Micro concreting M40 grade, Make : MasterEmaco S46T of BASF or equivalent FOSROC/SIKA using approved mixing machines/pumping under pressure via approved pneumatic pump at the locations to be repaired in RCC beams & columns etc,. Adding of aggregates will be permitted only as per manufacturer’s recommendation without compromising the strength. The rate shall include cost of all materials (except re-bar) labour charges for mixing, pouring concrete, cost of tools, lead & lift of materials, transportation etc., to carry out the complete work including demolition of damaged covers complete all as specified and directed. Note : The cost of micro concrete M-40 grade & Epoxy bond coat is included in this item.

M&L for use & waste of form work using steel sheets , steel bracing, propping etc around structural members where micro concreting to be done and keeping form work in position till required specified period complete all as specified and directed. Note : Form work shall be 100% leak proof. For purpose of payment area in touch with concrete shall be measured.

M&L for providing rust proof /anti corrosive treatment to bars :- (i) cleaning of all exposed bars (new & old) around (ii) Apply a single coat of Alkaline rust converting primer on around bars new & old as recommended by the manufacture (iii) Apply two coats of Epoxy phenolic anti corrosive protective coat on bars around new & old as recommended by the manufacture. Note : Anti corrosive treatment shall be continuous especially in the regions where pitting, imperfections, etc were present on the surface of the bars. It is important that the rear portions of re bars (those towards the concrete substrate) should not be left without coating.

M&L for providing PMM (Polymer modified cementitious mortar) :- (i) Dry sub strate surface and free of debris & dust (ii) Applying Epoxy bond coat on the sound substrate using approved spray machine & ensuring that no pin holes are visible.(In case pin holes are still visible after a coat, a second coat shall be applied to ensure absence of pin holes). (iii) Immediately after application of epoxy bond coat as above apply PMM (Polymer modified cementitious mortar) of 25 mm thickness. Note : Application of PMM shall be preferably be in coats of appx 10mm thickness. PMM work shall be executed in fairely rapid successions so as entire work is completed with in 30 mins). PMM shall be pre packed ready to use. (iv) PMM surface to be moist cured for three days followed by air curing in temperature as recommended by manufacture complete all as specified and directed.

Mourya Enterprises (BID ID -3134605)

SUN LIGHT HOUSE (BID ID -3133431)

Venkat Sai Enterprises (BID ID -3134404)

Anjana corporation (BID ID -3134608)

UNITY ENGINEERING TRADERS (BID ID -3135332)

sri vishnu enterprises (BID ID -3133396)