Northern Railway Tender

"Geotechnical investigation by drilling boreholes of dia 150 mm, taking soil samples ( disturbed /undisturbed) at every 1.5 meter, conducting standard penetration test, carrying out necessary test on soil samples in laboratory and providing the detailed report of bore log, testing parameters position of water table and 3 calculation of bearing capacity at various depths with appropriate foundation type. The bore log shall be prepared in Auto cad and the soft copy of the report shall also be submitted. Preparation and submission of geotechnical report (in four copies)recommending the type of foundation and the safe bearing pressure of soil as per relevant I.S. Code including mobilization of testing plants accessories and other site test equipments and personnel as well as its removal from site etc. as complete job.& nothing extra shall be paid over and above this item.

Preparation and submission (including assistance in approval) of final drawings (on tracing paper) for Minor Bridges for 25T/32.5T loading & necessary design to work out proposed foundation of abutment, piers etc. and superstructure as per note 2 below. Design calculation shall be submitted by contractor. After approval of 9 drawings on tracing, the drawings will be got scanned and ten copies of white print for each drawing will be submitted by the conractor. Note:-1) The drawings will be prepared as per provision of Railway Codes/Manuals. 2) For superstructure, Railway RDSO standard drawings shall be used, wherever feasible. Payment schedule : 1. Submission of final tracing including signature of construction officers : 70% 2. Final Approval of drawing by Railway: 30%

Providing, boring & casting 1200mm dia bored cast in-situ Reinforced Cement Concrete piles (As per IS specifications i.e. IS 2911 Pt I Section 2) in cement concrete M-35 grade Design Mix using coarse aggregate 20mm down gauge size graded with coarse sand of approved quality (as per IS specification IS:383- 1970), with minimum cement content, maximum water cement ratio and slump as specified in special conditions to carry a safe working load not less than specified including the cost of temporary casing pipe if required, cost of shoe and length of pile to be embedded in pile cap etc. complete, Scope of work shall include boring of pile in all kind of sub soil strata including boulder studded soil irrespective of sub soil water level in all condition whether dry or under water, use of bentonite slurry including all operations with contactor plants/machinery equipments for pile boring, auger, drill machine etc. The rate will also include cost of OPC cement, admixture (plasticizer, super 4 plasticizer, or retarder etc.) as per approved mix design. Rates are inclusive of chipping off of pile top to remove laitance concrete above cut off level etc., "removal of muck earth, boulder, debris, excavated earth from pile bore including cutting through underground structure like channel, sewer manholes, old foundation or any other obstruction including disposal of debris with in radius of 500 mtr, Rate shall include concreting by machine batching, machine mixing, scaffolding, using Admixture in recommended proportion (as per IS: 9103), if approved in design Mix, placing with tremie pipe, pumping and bailing out water with all labour material complete including crossing of tracks if required, as per approved drawing, specification and direction of the Engineer in charge. Length of the pile for payment shall be measured up to the designed bottom of pile cap excluding the mud mat. Payment of reinforcement steel including cutting, straightening, hooking, bending, binding, placing and keeping and maintaining in position including cost of binding wire will be arranged by contractor and payment will be made separately under relevant items of USOR-2010).