PERIODICAL SERVICES AND OTHER ALLIED WORKS TO OTM BUILDINGS, BOUNDARY WALLS IN SOUTH OF RUNWAY IN TECHNICAL AREA

Material and labour for preparation of old decorated external wall surfaces and applying one coat of cement based paint complete all as specified and as directed. Note:- Cost of scaffolding (Height upto 9.00 mtr) shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account.

Material and labour for preparation of old decorated external wall surfaces and applying one coat of cement based paint complete all as specified and as directed. Note:- Cost of scaffolding (Height 9 to 13 mtr) shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account.

Material and labour for preparation of newly plastered wall surfaces and applying two coats of cement based paint over one coat of primer complete all as specified and as directed.

Notes for Item No 1 to 3: (a) Before applying cement based paint the surface shall be thouroughly wetted to control surface suction. The surface shall be moist but not dripping wet when the paint applied. Surfaces which readily absorb moisture shall be wetted in one operation not more than one hour before painting. Surfaces which absorb moisture slowly shall be wetted at least two times not less than 30minutes apart. (b) To maintain a uniform mixture and to prevent seggregation, the paint shall be stirred frequently in the bucket.

(c) Painting surfaces shall be cured as soon as paint has hardened so as not be to damaged by the spray about 12hours after the applications. (d) Cost of scaffolding required shall be deemed to be included in the quoted rate of item and nothing extra shall be admissible on this account. (e) Paints shall be obtained direct from approved manufacturer or from their authorised agents only and brought to site in sealed containers.

Material and labour for preparation of old decorated surfaces of walls and applying one coat of oil bound distemper complete all as specified and as directed. Note:- Cost of scaffolding required shall be deemed to be included in the quoted rate of item and nothing extra shall be admissible on this account.

Note for item No 4:- (a) Surface shall be thoroughly cleaned by mechanical means and approval shall be obtained from Engg-in-charge before applying distember. (b) Paints shall be obtained direct from approved manufacturer or from their authorised agents only and brought to site in sealed containers.

Material and labour for preparation of old painted wooden surfaces of any description not otherwise described over 10 cm width or girth and applying one coat of synthetic enamel paint using mechanical means spray machine complete all as specified and directed.

Material and labour for preparation of old painted steel surfaces of any description not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint using mechanical means complete all as specified and directed. Note: Cost of scaffolding (Height upto 9.00 mtr) shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account.

Material and labour for preparation of old painted steel surfaces of any description not otherwise described over 10 cm width or girth and applying one coat of synthetic enamel paint using mechanical means complete all as specified and directed. Note:- Cost of scaffolding (Height 9 to 11 mtr) shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account.

Material and labour for complete removal of existing painted old wooden surfaces of any description, not otherwise described, over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified and as directed.

Taking down cement plaster on brick or stone masonry surfaces etc including racking out joints hacking for keys, scrubbing down wth water etc. complete all as specified and as directed.

Material and labour for repairs to cracks of any description, less than 5mm size by opening up cracks in V-groove manner approximately 6mm x 6mm size using mechanical cutter, cleaning the groove properly to remove loose particles, dust etc, sprinkling with clean water and filling with single component entitious crack filler using readymix powder of cementitious ingredients having compressive strength of 14 N/ mm² after 7 days of complete all as specified and as directed by Engineer-in-charge . Make M/s STP Limited, M/s Sika India Pvt Ltd, M/s Fosroc Chemicals, M/s Thermex or equivalent as per list manufacturers

Repair to ends of chajjas/ parapets by removing old concrete, loose material, cleaning of the reinforcement and finishing the surface in cement mortar 1:3, finished even and smooth without using extra cement including making good with existing finishes complete all as specified and as directed. Note: Quoted rate shall be deemed to included cost of water proofing compound.

Note for item No 9 to 11: (a) The subject work is require to be executed in a bldg having height upto 12.50 mtr from natural ground level. Providing, fixing and erecting scaffolding in double face structure, as required along with approach system for the repairs /plastering of the buildings to facilitate execution of all items of works, complete with necessary support, propping system etc for external repair. The quoted rate shall be deemed to be included this provision also.

(b) The unit quoted rated deemed to included for removing plant/ up rooting of vegetation growth including roots on wall/ roof/ parapet near pipe etc. (c) The unit quoted rate deemed to be included for necessary safety equipments such as safety belt, ropes, helmets, netting etc mandatorily to be provided to labour working at height exceeding 3 mtr.

Material and labour for 15mm thick rendering in cement mortar 1:4, on fair faces of brick work/concrete surfaces using water proofing compound @3% by weight of cement finished even and smooth without using extra cement complete all as specified and as directed. Note: Water proofing compound shall be measured separately.

(a) The unit rate quoted shall be deemed to be include for removal of accumulated earth of any width and depth upto 15cm cleaning/ cutting the grass with hand operated petrol/ kerosene driven grass cutting machine and removing the grass waste around 3m from plinth protection to outside MD land.

(b) Cost of scaffolding required shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account.

Supply only integral water proofing compound

Material and labour for preparation of old treated surfaces by cleaning with brush, filling the cracks /holes with Dr Fixit crack filler and applying one coat of premium exterior acrylic emulsion paint (matt) complete all as specified and as directed.

Material and labour for preparation of old treated surfaces by cleaning with brush, filling the cracks /holes with Dr Fixit crack filler and applying one coat of premium exterior acrylic Emulsion paint in chequered pattern of any two approved colour complete all as specified and as directed.

Note for item No 14 & 15: (a) The exterior emulsion paint shall be of 1st quality manufactured by the standard firms of make as specified. (b) The contractor shall inform the GE, within three weeks of the acceptance of the tender, the brand/ names of the manufacturers of paint proposed to be used in the works and submit samples thereof and obtain prior written approval of GE before their use in works.

(c) The contractor shall when so required by the GE, produce certificate from the manufacturer or their representative to establish that the brands of paints purchased by the contractor from them, satisfy the requirements of the relevant Indian Standards. Tint of paint, shall be approved by the GE. (d) Paints shall be obtained direct from approved manufacturer or from their authorized agents only of respective brands and brought to site in sealed containers. The paint so procured shall be of first quality

(e) Unless otherwise specified the tints of paint shall be as approved by the GE. (f) The contractor shall submit samples of the paints proposed for the work along with results of tests conducted in approved laboratory as directed by the Engineer-in-Charge for approval.

(g) The surface shall be thoroughly cleaned and dusted. All dirt scales oil and grease shall be thoroughly removed before painting is started. The prepared surface shall be inspected and approved by the GE before painting is commenced. The weather shall not be foggy/ rainy, dusty or windy. The suitability of the weather will be determined by the Engineer-in-Charge. (h) No hair marks from the brush or clogging of paint buddles shall be left on the work. Surface shall ordinarily not be painted until it has dried up completely. Trial patches of paint shall be laid at intervals to check if drying is satisfactory.

Material & labour for rendering 5mm thick on ceiling surfaces in CM 1:3 even and smooth without using extra cement complete all as specified and as directed.

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

Material and labour for preparation of old treated wall surfaces and applying one coat of white wash complete all as specified and as directed. Note:- Cost of scaffolding shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account

Material and labour for preparation of old treated ceiling and applying one coat of white wash complete all as specified and as directed. Note:- Cost of scaffolding shall be deemed to be included in the quoted rate and nothing extra shall be admissible on this account

Note for item No 18 & 19: (i) The lime shall be slaked at site and shall be mixed and stirred with about five liters of water for 1kg of unslaked lime to make a thin cream. This shall be allowed to stand for a period of 24 hours and shall then be screened through clean coarse cloth. 1kg of gum dissolved in hot water shall be added to every one cubic meter of lime cream. About 1.3Kg of sodium chloride dissolved in hot water shall also be added for every 10kg of lime for making the coating hard and rub resistant. Small quantity of ultramarine blue (upto 3 gm per kg of lime) shall also be added to the last two coats of white wash solution and the whole solution shall be stirred thoroughly before use

(ii) Application of Whitewash:- Whitewash shall be applied with ‘MOONJ’ brush or other brush to the specified number of coats. The operation for each coat shall consist of a stroke of the brush given from the top downwards, another from the bottom upwards over the first stroke and similarly one stroke horizontally from the right and another from the left before it dries. Each coat shall be allowed to dry before the next coat is applied. No portion of the surface shall be left out initially to be patched up later on. The brush shall be dipped in whitewash, pressed lightly against the wall of the container and then applied by lightly pressing against the surface with full swing of hand (iii) White washing on ceiling should be done prior to that on walls.

Material and labour for preparation of old floor surfaces of any description and applying one coat of terracotta paint, complete all as specified and as directed.