Amendment 02 - The purpose of this amendment is to answers questions proposed by the contractors. Amendment 01 - The purpose of this amendment is to update the PWS. Base - Forest Inventory and Timber Marking Services - The Contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items and non-personal services necessary to perform as defined in this Performance Work Statement (PWS), except for those items specified as Government furnished property and services.