Design, Fabrication, Supply, Installation and Commissioning of Radiation Shielding Door and Radiation Shielding Plug for ECRIS system at Hall-9, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai 400085

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Design, Fabrication, Supply, Installation and Commissioning of ‘Radiation Shielding Door’ and ‘Radiation Shielding Plug’ for ECRIS system at Hall-9, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai – 400085 Radiation Shielding Door’ Qty: one (01) number At the entry of Reinforced Cement Concrete (RCC) based hall to be used for housing the ECR Ion Source (ECRIS) system at the high bay area of Hall-9. The dimension of the entry in the RCC hall is 3500 mm (width) x 3500 mm (height). In addition, a ‘Radiation Shielding Plug’ is required to cover a hole of diameter 300 mm in the RCC wall; this hole is for the proposed ECRIS beam line to the futuristic user hall. (a) Dimensions: 3700 mm (length) x 3700 mm (height) (b) Thickness: at least 16 mm (c) Materials: at least 10 mm thick Lead (Pb) encased between at least 3 mm thick Stainless Steel sheets with suitable stiffening. The Lead (Pb) could be ‘ordinary Lead (Pb)’ and the Stainless steel grade of SS304L or equivalent. (d) The manufacturer may suggest any changes in the door’s design so as to improve the performance of the door, subject to approval by BARC. The design must be approved by the BARC before start of manufacturing. The fabrication will be carried out strictly as per the BARC approved drawings. Approved stamped fabrication drawings are only be used for the fabrication. Radiation Shielding plug Qty: one (01) number (a) Plug’s dimensions and material: As per conceptual drawings (b) Materials: Lead (Pb) encased between at least 2 mm Stainless Steel (grade SS304L) sheets with suitable stiffening. Refer Specification and Details attached separately along with the tender documents.

MRR ENGINEERS

Industrial Project and Products Company