5 INSTALLATION OF NEW WELL PUMP AND ASSEMBLY AND WELL PUMP REPLACEMENT AND ASSEMBLY FOR TWO WELLS AT DEATH VALLEY NATIONAL PARK, CA. THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE THE REMAINING BALANCE OF THIS ORDER TO CLOSE OUT. AS A RESULT OF THE ABOVE, THIS MODIFICATION DECREASES THE ORDER BY $0.04, RESULTING IN A NEW ORDER TOTAL OF $126,667.44. Close Out 0$ 5/10/17 4 INSTALLATION OF NEW WELL PUMP AND ASSEMBLY AND WELL PUMP REPLACEMENT AND ASSEMBLY FOR TWO WELLS AT DEATH VALLEY NATIONAL PARK, CA. THE PURPOSE OF THIS BILATERAL MODIFICATION IS TO: 1) REMOVE PRECAST CONCRETE VALVE BOXES AND REPLACE THEM WITH A SINGLE, LARGER, PRECAST VAULT AT THE TWO WELL HEADS. THE PRICING FOR THIS MODIFICATION IS BASED ON COPPER MOUNTAIN SERVICES PROPOSAL DATED 3/10/2017, AND 2) EXTEND THE PERIOD OF PERFORMANCE FROM 3/31/17 TO 4/28/17 IN ORDER TO ALLOW THE CONTRACTOR REASONABLE TIME TO COMPLETE THE WORK. Supplemental Agreement for work within scope $18.6k 3/22/17 3 INSTALLATION OF NEW WELL PUMP AND ASSEMBLY AND WELL PUMP REPLACEMENT AND ASSEMBLY FOR TWO WELLS AT DEATH VALLEY NATIONAL PARK, CA. A) THIS BILATERAL MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE END DATE FROM 2/10/2017 TO 3/31/2017 THIS IS DUE TO FLUSHING HYDRANTS ORDERED DO NOT MEET THE FLOW REQUISITE VOLUME. NEW HYDRANTS WILL NEED TO BE ORDER TO MEET THE CURRENT SPECIFICATIONS AND CURRENT PLUMBING. B) THIS MODIFICATION ADDS ADDITIONAL FUNDS TO SUPPLY AND INSTALL TWO (2) CONCRETE VALVE BOXES WITH LIDS AND EXTENSIONS AT EACH WELL HEAD TO ACCOMMODATE THE APPLIANCES IN ORDER NPS REQUESTED. C) AS A RESULT OF THIS MODIFICATION, THE PURCHASE ORDER IS INCREASED BY $660, RESULTING IN A NEW PURCHASE ORDER TOTAL OF $108,018.48. Supplemental Agreement for work within scope $660 3/17/17 2 INSTALLATION OF NEW WELL PUMP AND ASSEMBLY AND WELL PUMP REPLACEMENT AND ASSEMBLY FOR TWO WELLS AT DEATH VALLEY NATIONAL PARK, CA. A) THE PURPOSE OF THIS NO-COST, BILATERAL MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE FROM 1/18/2017 TO 2/10/2017 THIS IS TO ALLOW THE CONTRACTOR REASONABLE TIME TO INSTALL NEW WELL PUMP. THIS NEW PERIOD OF PERFORMANCE END DATE IS A RESULT OF A TWO WEEK DELAY FOR THE 4 INCH DR 7 HDPE FLANGE ADAPTERS. B) AS A RESULT OF THIS MODIFICATION, THE CONTRACT TOTAL REMAINS UNCHANGED AT $107,358.48. Supplemental Agreement for work within scope $0 1/18/17 1 INSTALLATION OF NEW WELL PUMP AND ASSEMBLY AND WELL PUMP REPLACEMENT AND ASSEMBLY FOR TWO WELLS AT DEATH VALLEY NATIONAL PARK, CA. A) THE PURPOSE OF THIS NO-COST, BILATERAL MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE FROM 12/30/16 TO 01/18/2017 THIS IS TO ALLOW THE CONTRACTOR REASONABLE TIME TO INSTALL NEW WELL PUMP. THIS NEW PERIOD OF PERFORMANCE END DATE IS A RESULT OF RESOLVING ONGOING ISSUES PERTAINING TO THE TECHNICAL ASPECTS OF THE REQUIRED EQUIPMENT. B) AS A RESULT OF THIS MODIFICATION, THE CONTRACT TOTAL REMAINS UNCHANGED AT $107,358.48. Supplemental Agreement for work within scope $0 12/7/16