Feasibility Study and Technical Report - Pretivm

21.1.9 DESIGN BASISThe following items were referenced during preparation of this estimate:• equipment list and process flow sheets provided by Tetra Tech• site layout drawings• equipment data sheets• quantity take-offs for civil bulk materials• quantity take-offs for concrete, steel, architectural, HVAC, piping and electrical,instrumentation/controls provided by Tetra Tech• costs for preproduction mining and mining equipment provided by AMC• quantities and costs for tailings, water management, waste rock, andgeotechnical design provided by BGC.21.1.10 PLANNING BASIS – EXECUTION STRATEGYThe project execution plan (PEP) has been considered in the preparation of this capitalcost estimate.Key elements of the PEP are described in Section 24.0.21.1.11 COST BASISThis section describes the methods and sources used to determine material, labour, andsubcontract pricing. The section is organized to be consistent with the Level 2 Areaheadings.LABOUR RATE DEVELOPMENTThe construction schedule and labour cost are based on shifts of 10 h/d for 7 d/wk. Thework rotation has been assumed as 3-weeks-on/1-week-off.A blended labour rate of $110/h was calculated for the Project and used throughout theestimate. The rate is based on a typical crew consisting of a lead hand, certifiedtradesman, uncertified tradesman, skilled labourer, and helper.The blended labour rate of $110/h includes:• base rate• vacation and statutory holiday pay• fringe benefits and payroll burdens• overtime and shift premiumsPretium Resources Inc. 21-5 1291990200-REP-R0012-02Feasibility Study and Technical Report on the BrucejackProject, Stewart, BC