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Project 08 -1700 <br />Request for Approval of Change Order No. 3 <br />January 27, 2013 <br />Page 2 of 4 <br />3. During excavation for the 18" storm drain lateral "HH ", a 12" water main siphon was <br />encountered that was not shown on the plans. While excavating adjacent to the siphon, <br />which was constructed using large concrete thrust blocks, the weight of the thrust <br />blocks caused the trench wall to collapse. The contractor needed to support the pipe <br />with a steel beam, re- excavate the trench, and install additional shoring. This work was <br />done on a time and materials basis. (PCO #28) <br />FINAL COST $ 13,968.58 <br />EXTRA WORK AT AGREED PRICE <br />4. The contract documents specify new 30' tall, type 61 traffic signal poles and new 30' <br />tall type 15 traffic signal poles on the northeast corners of Bristol & Santa Ana Blvd. <br />and Bristol & Civic Center Drive. These poles have luminaire arms to which the safety <br />lights are mounted. After the specified poles were ordered, Southern California Edison <br />(SCE) completed installing the high - voltage transmission lines over the pole locations. <br />Once the contractor erected the poles it was discovered that the power lines are too <br />close to the type 61 poles to install the standard luminaire arms; therefore straight <br />luminaire arms need to be installed in lieu of the standard arms. (PCO #24) The power <br />lines are too close to the type 15 poles to install any luminaires arms; therefore the <br />poles need to be shortened to 25' and the luminaires mounted at the lower elevation. <br />(PCO #16) <br />AGREED PRICE = $5092.50 <br />5. After the start of construction, revised plans for the north east corner of Bristol and <br />Civic Center were issued. The revisions call for moving the location for the proposed <br />traffic signal pole east five feet which will necessitate installing a longer mast arm. <br />Given the long lead time for traffic signal pole products, usually 10 -12 weeks, the <br />original mast arm will need to be installed to enable the contractor to continue with the <br />scheduled phasing of the work. When the new mast arm is received, it will be installed; <br />the original mast arm will be removed and salvaged. (PCO #21) <br />AGREED PRICE = $21,228 <br />6. In an effort to increase motorist and pedestrian safety within the project limits, Traffic <br />Engineering has requested that two Fortel® VCalm® radar speed limit signs be <br />installed along Bristol Street. This cost includes the signs, installation, software and <br />wireless controlling device. <br />AGREED PRICE $31,138.31 <br />