Dosing plant

Description

Southern Water carries on the business of a water and sewerage service provider to the Southern Region of England. Southern Water wishes to procure from the contractor the provision of plant and materials and/or services relative to the design, supply, installation and commissioning of packaged chemical dosing units. Southern Water wishes to procure from the contractor the provision of plant and materials and/or services relative to the design, supply, installation and commissioning of packaged chemical dosing units. Predicated demand is for 78 packaged units over 4 years. The framework will include set standard sizes, post framework there may be a need of price for further sizes to meet demand. Chemicals covered under the framework are: Aluminium Sulphate 8 % Ferric Sulphate 14 % Ferric Chloride 14 % Hydrogen Peroxide 35 % Sodium Nitrate 41 % Calcium Nitrate 50 % Phosphoric Acid 75 % Poly Aluminium Chloride 10 % Poly Aluminium Chloride 18 % Sodium Bisulphate 10 % Sodium Bisulphate 20 % Sodium Bisulphate 23 % Sodium Hypochlorite 10 % Sodium Hypochlorite 15 % Sodium Hydroxide 27 % Sodium Hydroxide 32 % Sodium Hydroxide 47 % Sulphuric Acid 30 %. Please note: % indicate chemical strength and not % of orders. Evaluation will be for Ferric and Sodium Hydroxide only. Southern Water will look to agree prices for other chemicals post contract award in-line with Ferric and Sodium Hydroxide. Overview; The subcontract work scope is for a turnkey installation comprising of: — a standard design, — manufacture, — installation, — test and commission, — O&M manuals, — 3D drawings, — training, — spares. Elements of work: The subcontract works are deemed to include the following elements: — project management, — full design, 3D drawings and calculations, — access, — site supervision, — method statement and risk assessments, — specialist equipment hire, — health and safety, — site and operational constraints, — supply, delivery and installation. Scope: — supply of chemical dosing package units to the agreed framework design, — deliver to site and offload making provision for any access requirements, — place the chemical dosing package unit on to a pre-constructed concrete plinth, — secure the unit into place on the slab via tensioned bolts, — the installation of all pipework to make the chemical dosing package unit function in accordance with the conditions of subcontract, — the installation of all cabling to make the chemical dosing package unit function in accordance with the conditions of subcontract, — test and commission the chemical dosing package plant in accordance with the conditions of subcontract. Provide all documentation upon completion to include: — test documentation, — O&M manuals, — 3D drawings, — training, — spares.