SITE INFORMATION AND CORRESPONDENCE_FILE 1

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# Task* Reasonable Cost Comments/Changes 10 Pump Test Cost/Benefit $0 Out of Scope Task Analysis-Well Density Required, Placement Screening 11 Determine Density and Location $0 Completed tasks are not eligible for cost pre- of All Site Borings and Wells. approval. 12 Determining Feasibility of $0 Out of Scope Task Trench Pit vs. Excavation Due to the Location of the Building Structure, 13 Hydropunch Feasibility $0 Out of Scope Task Cost/Benefit Anal sis 14 Develop Request for Quotations $0 Completed tasks are not eligible for cost pre- for Sub-Contractors/Contact approval. Sub-Contractors to Obtain Prospective Bids for Excavation by Designing Excavation, Storage, Pumping, and Treatment Systems and Time On-Site. Completed tasks are not eligible for cost pre- 15 Evaluate and Determine $0 approval. Qualified Returned Sub- Contractor Bids , 16 Excavation Scheduling/Field $0 Excavation scheduling is incorporated in Work Task 32 under Project Supervision. Completed tasks are not eligible for cost pre- 17 Workplan For Backfill $0 Construction/Fill Methods in approval. Backwater and Excavation 18 Health and Safety Plan $0 Health and Safety issues pertaining to the excavation should be included in the overall project Health and Safety Plan (refer to Task #3 19 Contingency Action Workplan $0 Information should be included in the initial for Shoring and Excavation — workplan (Refer to Task 1#2). Emergency Responses to Collapsing Excavation Pit, 20 Health and Safety Plan $0 Health and Safety issues pertaining to the excavation should be included in the overall project Health and Safety Plan (refer to Task #3 21 BEII Professional Services On. $0 BEII oversight costs for excavation included Site Excavation, Pumping, and in Task 32. Based on the regulatory directive Water Storage letter dated October 26, 2001 , de-watering the excavation is not necessary. Califoi nit En rironmeifta/Piaotectioo Agency p„t;' FeeydedPnper