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| 1 | Appendix A |
| 2 | 2.2:Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area |
| 3 | OD95991/2022-2023:Providing MS grill platform over MS pipe posts of size 15mm to 20mm dia. erectedand platform made up of 25nos post of average 15m long and the platform consist of25mm thick planks placed to 125mm and 75mm Irul wood joist placed, tied at 60cmintervals including all hire and labour charges for fixing and laying the platform, costof nails, cost of nails, coir etc. including removal of entire platform after completion ofthe work. Assuming the materials can bs used 8 times. |
| 4 | 13.5.H.p.2:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M35 - With Batching Plant, Transit Mixer and Concrete Pump - Height upto 5m |
| 5 | 16.4:Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical Specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy |
| 6 | 16.5.B:Sealing of cracks/porous concrete by injection process through nipples/Grouting complete as per Technical Specification Cement Mortar (1:1) Grouting |
| 7 | OD97945/2022-2023:Providing free flow micro concrete after providing and fixing leak proof water tight shutters andpouring the microconcrete after throughly mixing using heavy duty electrically operatedmixture etc complete , to be applied as per instructions of manufacturer and as approved byEngineer (data based on Morth 16.6 |
| 8 | 13.6:Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications |
| 9 | OD97988/2022-2023:Applying anticorrosive agent two component Zera zinc ZR or equivalent product to the existing and new bars after clearing them etc as per technical specification |
| 10 | OD97982/2022-2023:Chipping and removing damaged concrete surface of beam slab etc. |
| 11 | 2.4.1.C:Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metresPrestressed / Reinforced cement concrete grade M-20 & above. - By Manual Means |
| 12 | 14.7:Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, center to center spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications. |
| 13 | 16.11:Eproxy bonding of new concrete to old concrete |
| 14 | 16.22:Repair of RCC Railing : Carrying out repair of RCC m30 railing to bring it to the original shape. |
| 15 | OD98197/2022-2023:Applying one coat of water thinnable cement primer of approved brand and manufacture on concrete surface |
| 16 | OD98199/2022-2023:Finish walls with acryllic smooth exterior paint of required shade old work (two or more coats applied @1.67ltr/10sqm) on existing cement paint surface |
| 17 | OD103976/2022-2023:Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).50 mm average thickness in 3 layers |
| 18 | OD103980/2022-2023:Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).25 mm average thickness in 2 layers |
