United Nations Development Programme Tender

Sub-Total (1.00)

CIVIL WORK

Surface repairs to be done with high strength repair polymer modified mortar i.e. MICRO CONCRETE make Fosroc/ eq. and polymer Conrepair DS401.

Repairs of the undulations and corners with Cement sand mortar 1:4 modified with acrylic polymer.

Providing and laying of Heavy-Duty Membranes of Polymer modified Bituminous Polymeric Polyethylene Membrane on horizontal surface consisting of five layers with a center core of HMHDPE sandwiched between two layer of polymerized bitumen and finally with top and bottom layers of thermo fusible HMHDPE films. The polythene membrane to be placed on the base consisting of the 2 layers of polymer modified bituminous membrane of about 1 mm thickness, laid over a layer of bituminous primer and using hot mineral asphalt for each layer. The vertical surface will have a layer of Heavy-Duty Polymeric Polyethylene felt of 1mm thickness with 75mm and 100mm side and end laps respectively. The membrane constitutes of polymeric bitumen mix and a layer of hessian felt type 3 grade 1, each layer laid in hot asphalt over a coat of bituminous primer with 75mm and 100mm side and end laps respectively. The specification is taken up at least 300mm above the finished floor level where a chase of 2” width & 2” depth is cut for the specification to be tucked in OR taken up on top of the parapet as required. The specification should be laid directly on the RCC slab on a gently graded as well as rendered smooth surface.

75mm average thickness PCC in M20 grade to maintain slope modified with PP Fibres and Welded wire mesh.

Providing and laying of a layer broken pieces of ceramic tiles of about 9 mm thickness of odd sizes, shapes of various colors in crazy pattern is laid in hot asphalt over 30mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm No.minal size). The gaps between the tiles are grouted with cement mortar admixed with waterproofing compound CH-9. The tiles to be laid to slope.

Sub-Total (2.00)

STRUCTURAL REPAIR/ RETROFITTING WORK

Chipping of unsound/weak concrete material of 75mm average thickness from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

Cleaning of reinforcement from rust from the reinforcing bars upto 12mm dia to give it a total rust free steel surface by using alkaline chemical rust remover of approved make Fosroc Reebaklens RR with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. Add new bar of same diameter is the existing bar rusting is more than 80%

Providing mixing and applying over reinforcement bars zinc antirust agent as per specification of Make 'Fosroc Nitozinc Primer STD Base' Epoxy Zincrich Primer complete all as specified.

Providing, mixing and applying bonding coat of Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make "Fosroc ' the Nito Bond EP Chemical or Equivalent of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge

Supply and Fixing Mild steel TMT bars 8mm dia 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 0.9mm dia or securing with clips complete all as specified.

Providing, Fixing Nozzles and injecting approved grout in proportion recommended by the manufacturer into cracks/honeycomb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-inCharge.(The payment shall be made on the basis of actual weight of approved grout injected.)Epoxy injection grout in concrete/RCC work of approved make (Assuming 30ml in one injection nozzle) Cost must include each and every thing.

Sub-Total (3.00)

Total

GST 18%

Grand Total

All items have to be quoted for. Price Quoted includes cost of material, labour, fabrication, hardware, packing / protection, transportation, lead / lift and delivery, installation at site including making power supply / water supply / drainage / ventilation related connections and commissioning wherever necessary. Nothing extra will be payable on any account beyond the quoted price of the item. Unless specifically mentioned otherwise in the contract, the tenderer shall quote for the finished items and shall provide for the complete cost towards labours, materials, wastages, plant and machinery, operational costs, levies, taxes, maintenance till handing over, contingencies, overheads, profits and all incidental items not specifically mentioned but reasonably implied and necessary to complete the works according to the contract.

Rates quoted shall include Preliminaries and Overheads, especially those incurred for the cost of all scaffolding work to built make-shift lift, demarcation, isolation and access management of the areas where work is being carried out and areas which are to remain functional through the course of the work. Nothing extra shall be payable for any cost incurred by the contractor in carrying out all work necessary for creation of alternate access routes , optimization of Working Hours for on-site work/ delay of work due to any presence of any UN delegates or for any measures required for preventing the spread of noise, dust, material residue, debris and fumes from spreading beyond these demarcated areas.

The complete time frame for the work shall be 4 months from the date of mobilization.

The bidders are requested to inspect the site and obtain for themselves at their own expense all necessary information and particulars to enable them to submit the tender.

The dimensions shown in the drawings shall have to be verified by the contractor at site before execution of the items and necessary allowance's have to be made as per the actual dimensions available at site.

The actual area of the work done should be measured after the completion of the work and charged for at the rates quoted above.

The brands of material proposed to be used has to be mentioned in the quote.

Waterproofing to offer a guarantee for a period of 10 years or more from the date of completion of the work in the specific areas.

All down take pipes to be in level with the slab.

Removal and reinstallation of all solar panels, elctrical conduits, associated equipment etc. before waterproofing to be done by UN House.

At the time of repair of surface ,if required, the treatment for exposed and rusty reinforcement will be taken by seperatly as per instructions given by structural consultants.

Demolished / Dismantled material must be stacked in area mentioned by UN House in such a way that at no point of time does the weight of the demolished material exceed 100 kg / sq m of area of the floor on which it is stacked. Demolished / Dismantled material will be kept dry and no water will allowed to seep in and accumulate in the stacking. All such demolished / dismantled material shall be removed at regular intervals in bags / wrappings without any damage to common areas outside the premises and as per prevalent rules imposed by statutory authorities like NDMC or other authorities.

The quantities of the various items mentioned in the schedule of items are approximate and may vary or be deleted altogether. The quoted rates of each item shall remain firm for all works and quantities. The contractor, in his own interest, should get an indication of the probable extent of the work to be executed under any particular item in this schedule, before undertaking any preliminary and enabling work or purchasing bought out components related to the work.

Items of work provided in this schedule but not covered in the specifications shall be executed strictly as per instructions of the Architect/ engineer-in-charge/ Project Management Consultant.

Architect/ Engineer-in-charge's/ Project Management Consultant decision shall be final and binding on the contractor regarding clarifications of items in this schedule with respect to the other sections of the Contract.

The cost quoted to include providing general house-keeping support for the entire site inclusive of all dedicated labours and supervisory personnel at all times of work, across the entire facility. Cost to include all equipment's, consumables, protective and safety measures, at site and site office, maintenance of site and site office (if required) on daily basis and providing necessary amenities like Water supply for office, Drinking water, Electricity back up in case of power cuts, Dedicated Human recourses for the same and other office facilities as instructed by Clients/ Project Management Consultant. etc. The site and site office shall be kept clean to the complete satisfaction and based on instructions from the Project Managers. For storage of material, UN House will provide a designated storage area.