REPAIRS TO CHAJJAS BEAMS COLUMNS PLASTERING INCLUDING STRUCTURAL REPAIRS TO CERTAIN BLDGS AT AF STATION TAMBARAM

Amount

Cutting/chipping the spalling concrete surfaces of columns, beams, cantilever etc and trimming & cleaning the surface to receive guniting/plastering all as specified and directed including all necessary form work & scaffolding and safety measures and lowering down the demolished material for disposal and disposing the demolition material out of MD land complete all as specified and as directed.

Pressure guniting averaging 20 mm thick in cement mortar 1:3 for soffits of slab,chajjas etc complete including application of bonding agent and applying nitozinc primer to exposer steel surface and providing necessary scaffolding and removal of the same on completion of the work complete all as specified and as directed.

Pressure guniting averaging 40 mm thick in cement mortar 1:3 for columns/beams complete including application of bonding agent and applying nitozinc primer to exposer steel surface and providing necessary scaffolding and removal of the same on completion of the work complete all as specified and as directed.

Polymer modified mortar ie 15 mm thick cement mortar 1:3 added with Nitobond AR at the rate of 8 Ltrs per bag of cement for restoring concrete cover to structural members complete all as specified and required including necessary scaffolding complete all as specified and as directed.

Micro concrete rendroc RG (S) any thickness for structural members all as per manufactures instructions complete including leak proof form work coated with reabol mould release agent all as specified and directed including all including necessary steel scaffolding complete all as specified and as directed.

S&F hard drawn steel wire fabric weight exc 4kg per Sqm cut to lenghts bent to shape requred and tying with and including mild steel wire (annealed) not less than 0.9mm in dia supplied and fixed in reinforcemnt complete all as specified and as directed.

Welding additional reinforcement with the existing rods of mild steel TMT bars10 mm dia and over cut to length bent to shape required including cranking bending spirally for hooking ends (Welding shall be measured separately) complete all as specified and as directed.

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

M&L for flyash brick work with sub class 'B' bricks straight or curved on plan exc 6M mean radius built in CM 1:4, complete all as specified and as directed.

Taking down old cement plaster including racking out joint hacking for keys and scrubbing down with water etc., on wall/ ceiling surfaces and removing the debris from the defence premises complete all as specified and as directed.

M&L for rendering 15mm thick on brick/ concrete surfaces with CM 1:6, finished even and smooth without using extra cement complete all as specified and as directed.

M&L for rendering 5mm thick on ceiling surfaces with CM 1:3, finished even and smooth without using extra cement complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down with using broom/sand papering or by any other mean, washing down with water and applying two coats of cement base paint as per approved tint/colour with using paint brush/roller brush complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down with using broom/sand papering or by any other means, preparing the surfaces smooth by applying one coat of chalk whitening as priming coat and after that applying two coats of oil bound distemper (washable) as per approved tint/colour with using electric paint roller or roller brush complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of ceiling by sand papering or by any other means, preparing the surfaces smooth and after that applying three coats of lime white wash with using paint brush complete all as specified and as directed.

Demolition reinforced cement concrete Roofs, floors (other than groundfloors),beams,staircases,landing,chajjas and similar suspended work complete all as specified and as directed.

M & L formwork to sides and soffits of lintels,lintel band, beams etc finished rough surfaces of concrete complete all as specified and as directed.

Form work to soffits of suspended slabs flat surface of concrete finished rough surfaces of concrete not exceeding 200mm thick, complete all as specified and as directed.

M&L RCC Nominal mix 1:1.5:3 type A1 using 20 mm graded aggregate as in beams, cantilevers, bressummers, lintels over 1.5m span complete all as specified and as directed.

M&L RCC Nominal mix 1:1.5:3 type A1 using 20 mm graded aggregate as in slab, shelves etc.complete all as specified and as directed.

S&F TMT bars 10mm dia and over, cut to length, bent to shape required,including binding with mild steel wire (annealed) not less than 0.9mm dia complete all as specified and as directed.

M&L Mild steel TMT bars 5mm dia & over upto & including 10mm dia in stirrups, spacers & binders, cut to length, bent to shape required, binding with & including mild steel wire (annealed) not less than 0.9mmdia complete all as specified and as directed.

Demolition of unreinforced cement concrete in above ground floors and pavings n.exc 15 cm thickness complete all as specified and as directed.

M&L for Plain cement concrete 1:2:4 (using 20mm graded stone aggregate) type B1 as in in roof padding,kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

Removing existing water proofing treatment any type like plastering, PCC, Roof tiles, APP membrane etc., including removal of debris, old APP membrane etc., outside MOD land and applying water proofing treatment on horizantal or vertical surfaces by applying oil bound bitumen primer @ 0.20 Kg/Sqm and providing 4mm thick APP modified water proofing membrane weighing not less than 4 Kg/Sqm reinforced with non woven polyster matt weighing not less than 160gm/Sqm including minimum 10cm side lap and 15cm end lap torch sealed and bonded and applying a coat of blown grade hot bitumen 90/15 over and below the membrane @ 1.20 Kg/Sqm in drying over the membrane finished with solar reflective bituminous aluminium paint/primer @ 0.10 Kg.Sqm over plastered RCC roof slab/parapet after cleaning the surfaces by removing dust, dirt etc., complete all as specified and as directed. (Note: Plastering will be measured and paid seperately)

M&L rendering of mortar 15 mm thick with water proofing compound in roof finishes in cm 1:4 complete all as specified and as directed. Note :(WPC will be measured and paid separately)

Supply only Integral Water Proofing Compound

Providing and applying polyurethane waterproofing membrane coating system comprising the followings : A. Removal of exisiting bituminous membrane and mechanical cleaning of surface & treating in sound clean and free from any bituminous residue , dirt, oil, grease etc.. All surface cracks etc filled with Flowfill Grout, all surface patchwork, defects etc. to be repaired with high early strength, fast setting repair mortar using Patchfix concrete, all complete as per the manufacturers specification. B. Providing & applying Ultraseal PU Primer @ 200 ml per sqmt and then applying two coats of single component, moisture cure highly elastomeric & tough polyurethane waterproofing membrane of Ultraseal PU @ 1.2 kg per sqmt in two coats to achieve dry film thickness of 1mm., complete as per the manufacturers specification. Approved agency - Bostik, STP, SIKKA

M&L Preparation of old surfaces of wall and applying two coats of cement based paint complete all as specified and as directed.

S&F Self Adhesive water proofing flash bond membrane 100mm wide of make:Bostiq India fixed to joints of AC/Ridge portion/over surfaces of galvalume roof sheets/concrete surfaces etc up to 30m height , incl necessary scaffolding and removal of the same after completion of the job complete all as specified and as directed.

DELTA CONSTRUCTIONS (BID ID -3118184)

RAVI ENTERPRISE (BID ID -3099515)