2005/02/23 Council Agenda Packet

7 B. New Bid Item No. 24:Install New Gas Collection System Between STA 131+00 and STA 133+50 Install approximately 60 feet of 8" header pipe from the existing control valve at STA 133+25 as shown in the attached Figure 2. Install header pipe per the modified Section C of Drawing I_ as attached. Install header pipe at a minimum slope of 1% to allow drainage to flow to existing condensate knockout at STA 133+40. Install approximately 265 feet of combined header per Figure 2 and collection pipe per the modified Section E, Drawing CI, as attached. Install at the same invert elevation as the collection pipe at the corresponding stationing shown in Drawings CI and CI 1, with the minimum slope on the header pipe of 1 percent. Install three new control valves where shown on Figure 2. Connect header to existing system at elbow immediately upstream of condensate knockout at STA 133+37. Provide new fittings as necessary. Install 100 feet of collection pipe only per Section B of Drawing Cl as shown in Figure 2. Work includes all utility locates, excavation, disposal of spoils (spoils would be placed in trench, except for bedding per specifications — Gravel Backfill for Pipe Zone Bedding) materials, labor, trench safety, testing, and any other item to complete the work. Measurement for the work is not proposed; the entire work to install the new gas collection and connections between Stations 131+00 to 133+50 is proposed to be paid per lump sum C. New Bid Item No. 25: Install Flow Meter Provide battery operated flow meter (Ernest Model 319 04 S 100 — cut sheet attached, or equal) with totalizer in condensate force main. Locate flow meter near blower facility and downstream of all condensate KO. Install within new meter box rated for traffic (H-20 rating). Work includes everything to furnish and install meter. No measurement will be done; payment is proposed to be lump sum. II. Modifications to Contract Time The original contract was suspended dated April 2, 2004 with no remaining contract days. Please provide an estimate of the additional number of contract days to be added to complete the work per the proposed change order no. 1. Please include the following information in your proposal: 1. Lump sum price for additional hid items nos. 23, 24, and 25. 2. Estimated increase (decrease) in contract price. 3. Method of determining change in contract tunes and any cost implication for the time modification or any other cost issue relating to completing the proposed change order Work. . 24 i.h !c.':c��Hl)LIF"20p0 li_rip to 0! (Ix