Additional Works Under Package No. Rj-02-09 / Ncrpb / Alwar Additional Works Under Package No. Rj-02-09 / Ncrpb / Alwar Earth work in excavation for foundation of structure complete with all lift, dewatering shoring and shuttering etc.including refilling of trenches in 25.mm layers, ramming, watering and disposal of surplus soil within a lead of 1000 metres, as per drawing and technical specfication.[MoRTH Specification : Clause : 304]. In hard Soil [MoRTH Specification : Clause : 301]Depth upto 3m 2 Plain/reinforced cement concrete in substructure complete as per drawing and technical specifications MoRTH Section 1500,1700, 2200. PCC Grade M-15 Height upto 5.00m. 3 Plain/reinforced cement concrete in substructure complete as per drawing and technical specifications MoRTH Section 1500,1700, 2200. RCC Grade M-25, height upto 5m 4 Providing and laying Steel reinforcement at any level in foundation complete as per drawing and technical Specification.[MoRTH Specification : Section: 1600(N)] HYSD bar reinforcement 5 Providing laying spreading and compacting specified graded sand, gravel as per Table 400-1,400-2 or any other course material as per design mix, as per CBR in sub base course including premixing the material at OMC in wet mix plant, carriage of mixed material spreading in uniform layers with motoe grader F.E loader on a prepared base and compacting with vibratory roller to achieve desired density (as per I.S.2720) including all material, labour, machinery, lighting guarding, barricading and maintenance of diversion complete.[MoRTH specification : Clause 401]. Grading I Material 6 Construction of dry lean cement concrete sub-base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size ofcoarse aggregate not exceeding 25 mm , aggregate cement ratio not to exceed 15:1 , aggregate gradation after blening to be as per Table 600-1, cement content not to be less than 150 Kg/Cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant as per mix design, transported to site, laid with a hydrostatic paver with electronic sensor, compacting with 8-10 tonne vibratory roller, finishing and curing complete as per MoRTH specification clause 601. 7 Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub-base with 43 grade cement @ 400 Kg per cum , coarse and fine aggregate conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrance, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing complete as per MoRTH specification clause 602. 8 Providing and laying Precast reinforced cement concrete Box culvert section of M-40 grade designed for AA class loading as per IRC specifications including to effect of impact, EQ etc. complete on form base of 200mm thick lean concrete of M-10 grade with aggregate of size 40mm nominal of following internal size the work includes required safety measures construction of drain for diversion of flowing water cost of design of RCC Precast Box and its proof checking from IIT/MNIT Jaipur complete in all respect as per specifications. Size 1.00 M x 1.00 M 9 Earthwork in excavation in foundation trenches etc. not exceeding 2 meters depth including dressing of bottom and sides of trenches, stacking the excavated soil 3m. Clear from the edge of excavation and subsequent filling around Hume pipes/masonry in 15cm. Layers with compaction including disposal of all surplus soil, as directed within a lead of 1000 meters.[MoRTH Specification : Clause 301,304]. In Ordinary soil 10 Earth work in excavation, including stacking/disposal of surplus material with all lifts and lead up to 50 meters, exclusive of compensation of earth [MoRTH specification : Clause 301 to 305] In ordinary Soil Mechanically by power shovel, including mechanical loading and carriage up to 50m. 11 Providing and laying mechnically mixed and vibrated Cement Concrete in foundation upto a depth of 1.5 metres below ground level and 1.50 metres above Ground/Bed level.[MoRTH Specification : Clause 1000/1700] Cement concrete 1:3:6 mix crushed stone aggregates 20mm nominal size. 12 Plain/reinforced cement concrete in substructure complete as per drawing and technical specifications MoRTH Section 1500,1700, 2200. RCC Grade M-25, height upto 5m 13 Providing and fixing of Precast concrete interlocking blocks ofmanufacturedfrom fully computerized automatic stationery hydraulic vibro pressed machine & full computerized automatic batching plantof class A-1 as per BS : 6717-2001. The C.C. interlocking paving blocks be laid on average 25 mm thick bed of coarse sand and the joint is to be filled with fine sand. Laying procedure on compacted sub base as defined. Complete job is to be executed as per the instructions of Engineer-in-charge. The rates to be inclusive of all lead, lift, lifts & taxes general specifications of blocks. 1. Shape : As specified by Engineer-in-charge.2. Tensile splitting strength and breaking load as per BS : 6717- 2001 3. Colour : Grey cement natural colour 4. Variation in Dimension : Less than 1.6mm. 5. Variation in thickness : Less than 3.2mm 80mm thick
