T-MSC2021-10 GRANITE CREEK SEWAGE PUMP STATION UPGRADE
Mareeba Shire Council 18 Jun 2021

Mareeba Shire Council hereby invites written tenders for the supply of all materials, plant and labour of whatever kind necessary to complete the works.

• Setting out of Works, establishment and disestablishment. • Documentation, project management and compliance with all regulations. • Erection of temporary works as required. • Provision, installation and commissioning of temporary above ground bypass system with standby pump, and any other works necessary to achieve bypassing of the pressure main. Includes hot tap tee of 2No. existing DN375 and DN300 rising mains. Refer to section 2.2 for nominated flowrate. • Removal of existing sewage pump station building, inclusive of walls, roof, switchboard, ventilation, odour control and all ancillary items with allowance for groundwater monitoring to manage flotation. Includes allowance for temporary support of water booster pump station. Refer section 3.2. • Removal of mains distribution board. • Removal of existing pump station roof slab. • Removal of incoming sewer flow splitter box and divider wall. • Complete removal of all internal pipework, access items, ventilation, overflow screens, ancillaries, and redundant fixings in wet well. • Removal of internal pumps, concrete plinths, pipework and supports, access platforms, ventilation and fixtures within dry well. • Supply and installation of new DN225 and DN300 discharge pipework’s c/w pipe supports and valve arrangement. • Supply and installation of new DN300 and DN375 rising main section inclusive of valve arrangement and connection into existing. • Supply, construction, and installation of new emergency bypass connection point. • Construct new thrust blocks as nominated in the drawings. • Concrete core drill penetration and fill through dry well wall, for sewer extension. • Supply and installation of new DN500 DICL sewer extending to new dry well, including buttress thickening and flow splitter with stainless-steel dropper arrangement. • Construction of new pump station top slab. • Supply and installation of new duty/assist duplex pump arrangement c/w guide rails and pump chains. • Supply and installation of new main switchboard including power and communication conduits. • Supply and installation of new main switchboard shade structure. • Protection works to existing underground assets of other authorities. • Management of ASS\PASS including disposal of materials at an approved location. • Reinstatement of works damaged by the construction activities. • Decommissioning of existing assets as nominated in the drawings required. • Provision of AS CONSTRUCTED drawings. • Maintenance of works through defects liability period

Please note Mandatory site inspection will be held 9am Tuesday 29 June 2021

Tender documents are available on Council’s online e-procurement system, Tenderlink – www.tenderlink.com/msc

All enquiries or clarifications must be via the online forum which will close 7 days prior to closing time. Council officers are unable to respond to verbal or emailed enquiries.

The closing time for electronic lodgement of Tenders is 11.00 am Tuesday 13 July 2021.

Regulation 228(7) of the Local Government Regulation 2012 may be applied.

Tender will not be opened publicly. The lowest or any tender not necessarily accepted.

Peter Franks Chief Executive Officer PO Box 154 Mareeba Qld 4880