REPAIR/REPLACEMENT OF ROOF TREATMENT, CLEANING OF PLANT VEGETATION (UPTO 5 TH FLOOR) AND OTHER CONNECTED WORK AT DGNP(V) OFFICE COMPLEX AND CERTAIN OTHER PLACES UNDER DGNP(V)

Amount

Material and labour for spraying antiweed / Non toxic solution / chemicals containing Glyphosate as per manufacturer's instructions and removing the weed including the roots after ensuring complete de-germification of plant / weed and cutting down the plant / trees off from roof / top sides of external walls of building , in chajjas , wall junctions , junctions of GI/ CI/AC/PVC pipes and taking out roots entered in walls / slabs , including making good the surface using PCC (1:2:4) type B1 or cement mortar (1:2) or brick work in CM (1:4) plastered with CM (1:4) to match with existing surface and repairing the pipes and joints which was affected by cutting down / taking out process all as specified and as directed for plants / trees located in the building upto five story high , complete all as specified and directed. Note :- (i) Contractor has execute the work of de-generated plant/ weeds as per the prior approval and directions of Engr-in- Charge. (ii) Rate for necessary scaffolding shall be deemed to be included in the quoted rate.

Dismantling of existing water proofing treatment any type and thickness from top surface of roof slab including backing layer of mortar and removing the materials from the site etc complete all as specified and directed.

Demolition of cement concrete in roof pavings not exceeding 15 cm thickness and romoving the rubbish off from the Defence Land complete all as specified and directed.

Material and labour for chequered cement concrete coloured tiles for terrace up to 5th floor of size 30cmx30cmx25 mm thick set jointed and pointed in neat cement slurry in floors with using grey cement and pigments and backing layer 20 mm thick screed bed or bedding layer of mortar (1:6) for laying floor finishes complete all as specified and directed.

Material and labour providing cement concrete 1:2:4 type B-0 (using 12.5 mm graded crushed stone aggregate) in padding concrete on roof top complete all as specified and directed.

Material and labour for 10 mm thick screed bed or bedding layer of cement mortar 1:4 on concrete surfaces for laying floor finishes/roof treatment complete all as specified and directed.

Material and labour for water proofing treatment including preparation of surfaces as required for treatment of roofs, balconies, terrace etc., consisting of following sequences of operations on RCC surfaces; (a) Roof slab shall be cleaned thoroughly and apply cement slurry @3 kg/sqm. (b) Clean the surfaces thoroughly and apply bitumen primer @ 0.4 kg/ sqm. (c) Polymeric water proofing (Actatic poly propelene) membrane weight not less than 3 kg/ Sqm and minimum 3mm thick reinforced with polyester non woven fabric (non woven fabric wt. not less than 150 gms/sqm) shall be laid over the entire surfaces. (d) A coat of bituminous aluminium paint @ 0.1 kg/sqm complete all as specified and as directed by Engineer-In -Charge. (e) Ponding test as specified complete all as specified and as directed by Engineer-In -Charge. (f) Each strip shall overlap the preceding one by atleast 10 cm at the longitudinal edges and 15 cm at the ends. Note:- Quoted rate is deemed to include the cost of all sequences mentioned above including preparation of surfaces

Demolition of reinforced cement concrete in roof, floors and roof (other than ground floor) , beams, staircase, chajjas, landing and similar suspended work not exceeding 15 cm thickness and cutting of reinforced steel bar and segregation from the concrete, complete all as specified and directed.

Supply and fixing 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, complete all as specified and directed.

Supply and fixing TMT bars 8mm dia and over upto and including 10 mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for in stirrups, spaces and binders and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips, complete all as specified and directed.

Material and labour for reinforced cement concrete nominal mix 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) as in chajjas and the like, complete all as specified and directed.

Material and labour for formwork to rough finished surfaces of flat concrete to chullah hoods, chajjas, troughs and similar items including edges, complete all as specified and directed.

Material and labour for rendering 10 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 including finishing the surface even and smooth (without using extra cement), complete all as specified and directed.

Material and labour for preparation of newly plastered surfaces of ceiling and applying three coats of white wash, complete all as specified and directed.

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles, complete all as specified and directed.

Material & labour for precast cement concrete 1:3:6 type C-1 (using 20 mm graded crushed stone aggregate) as in block masonry with solid blocks, exc 10 cm in width and setting in mortar complete 1:6, complete all as specified and directed.

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

Material & labour for rendering 15mm thick in CM 1:6 on fair face of brick or concrete surfaces of walls finished even and fair complete all as specified and as directed.

Material & labour for preparation of newly plastered surfaces of wall and applying two coats of exterior emulsion paint white or tint with applying alkali resistant primer over with and including 2 mm thick wall care putty on plastered surface complete all as specified and directed.

Supply and fixing in repairs 500 liter capacity triple layer rotational moulded polyethene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position including tank nipple complete all as specified and directed.

Supply and fixing in repairs 1000 liter capacity triple layer rotational moulded polyethene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position including tank nipple complete all as specified and directed.

Supply and fixing in repairs 2000 liter capacity triple layer rotational moulded polyethene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position including tank nipple complete all as specified and directed.

Supply and fixing in repairs ball valves 20 mm bore dia of pipe high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (Minimum weight 20mm-210gms) complete all as specified and directed.

Taking down old CPVC water tubing and connections for 25 or 32 mm dia pipes including cleaning etc. complete all as specified and directed.

Supplying and laying on floor and wall of 25 mm outer dia mm CPVC pipes SDR 11 &Plain CPVC SDR 11 including fittings, clams, gum complete all as specified and directed.

Supplying and laying on floor and wall of 32 mm outer dia mm CPVC pipes SDR 11 &Plain CPVC SDR 11 including fittings, clams, gum complete all as specified and directed.

SRI LAKSHMI GANAPATHI CONSTRUCTIONS (BID ID -3104275)

SAI DIVYA DEVELOPERS AND BUILDERS (BID ID -3100200)

SRI DHANESWARI ENGINEERING WORKS (BID ID -3106185)

M/S REAL POWER SYSTEMS (BID ID -3108211)

ANJANA ENTERPRISES (BID ID -3106088)

MAHIRA ENGINEERING & INFRASTRUCTURE (BID ID -3106721)

SRI SAI MANIKANTA ENTERPRISES (BID ID -3109181)