Kolkata Municipal Corporation Tender

Supplying ready mixed concrete of M 30 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [cement to be supplied by the Manufacturer/ supplier] In ground floor and foundation.(ii) With approved concrete pump

Supplying ready mixed concrete of M 30 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [cement to be supplied by the Manufacturer/ supplier] In ground floor and foundation.(ii) With approved concrete pump

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof) (c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. In Ground Floor: (b) Two Coats

Protective and Decorative Textured exterior high class matt finish paint of approved quality, composed of special Tharmoplastic Resin containing fine crystalline additives derive from Granite as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground floor Two Coat

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal/ Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge. LS 5 cu.m.

Supplying and application of chemical for post Installed rebar connection by using ETA approved for seismic criteria In rebar connection, Including drilling 2 hole to the required depth by rotary hammer drill, cleonlng with brush & jet of clean air, /ill/ng chemical usIng serrated noule to eliminate mIxIng error and in a voldless manner IncludIng charges for all tools & plants. Application to be designed for post· Installed rebars as per ECZ/TR023 or relevant tested and accepted design guidelines and the design document to be furnished by the manufacturer. The chemical should have ETA approval for seIsmIc criteria li of rebar fixing whIch should be furnished by manufacturer. The installation e Superintending Engineer of the respective circle and Injection process should and the setting instructions should be strIctly followed as per manufacturer's specl/icatlons as approved by EICprior to drllling along with post· Installed rebar embedment design report. The existing concrete member should be scanned using rebar scanner to avoid hitting existing reinforcement in concrete during drilling. Notes : 1)This rate Is excluding the cost of scaffolding. 2)Thls work should not be excuted without specific permission of be executed in the presence oj officer not below the rank of Assistant Engineer to supervise the work minutely. 3) Rebar grouting Is specifically required for extension and strengthening purpose of old or existing RCCstructural members with new RCC structural members through rebar fixing chemical Item without breaking beam, coloumn, roof slab, lintel, cellina etc.iii) Cost of post Installed rebering app ication with chemicat as specifieafor 12 mm dia peT em of depth

Guniting concrete surface with cement mortar (25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification.

Labour for Chipping of concrete surface before taking up Plastering work.

Applying 2 coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturer's specification for water proofing layer in water tank etc. (No Departmental Cement is required)

Estimated amount

GST 18%

CESS 1%