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• • <br />3USCH, HUTCHISON & ASSOCIATES, INC. CONfULrINO tNO1NttRf <br />1107 FLEETWOOD DRIVE - BAYTOWN. TEXAS 77620 -- PHONE (713j 422.8213 <br />March 12, 1975 <br />n <br />~J <br /> <br />Honorable Mayor and City Commission <br />City of La Porte <br />124 South 2nd Street <br />La Porte, Texas 77571 <br />CHANGE ORDER FOR JOB N0. 74-1132 - SANITARY SEWER EXTENSION TO THE SOUTH <br />Because of some design changes required by the Texas Highway Department <br />and some omissions from the original bid sheets, it has become necessary <br />to consider a change order to the subject contract. The amount of the <br />change order will be an added $20,142.95 for a total contract price of <br />$241,632.37, subject to final measurements, of course. <br />The bulk of the addition is due to the Highway Department insisting on <br />steel liners for the roadway crossing at five locations and deepening <br />of about 5,500 feet of the sewer line. The casing adds about $7,000.00 <br />and the deepening about $10,000.00, totaling $17,000.00. Part of the <br />balance of the added cost, about $1,000.00, covers a new bid item <br />"Clearing and Grubbing" which was left off the original bid sheet. The; <br />other $2,000.00 arose from a difference in the estimated depth of abou~~! <br />400 feet of the 21 inch diameter line along "K" Street. The depth of ;~_. <br />this line lay right at 10 feet and this is also the break point in the;';;' <br />unit bid prices, that is, an 8 - 10 foot cut is one price, and a 10 -~,;, <br />12 foot cut is another price. Unfortunately the final measurement of <br />the construction depth showed more of the line below 10 feet than was;" <br />estimated. <br />Some minor design changes have been made to improve the installation <br />and reduce costs in some areas. For example, PVC pipe will be used i <br />the cased crossings rather than the cast iron specified to be used <br />without the casings. These changes result in there being seven new <br />bid items and the deletion of two original bid items. The attached, <br />revised, bid sheet reflects these changes and the negotiated bid pric <br />for the new items. <br />If there are questions, I will be happy to answer them at the next <br />commission meeting. <br />J es P. Hutchison, P.E. <br />V e President <br />:~ . <br />is ~l~' <br />~~ <br />~: <br />,I <br />JPH/sh <br />