The contractor shall provide all necessary labor, equipment, tools, material, parts, repair services, preventive maintenance, maintenance support on the janitorial equipment as required by the NJHCS. It is the intention that all equipment repairs and/or maintenance will be performed in accordance with manufactures guidelines will result in the equipment operating according to manufacturers specification and will be done in accordance with industry standard practices. The contractor shall provide preventative maintenance on all machines on a quarterly basis. Schedule to be determined by VANJHCS after contract award. In addition, the contractor shall also provide maintenance services which include troubleshooting, replacement of worn parts, calibration/adjustment, cleaning and lubricating in accordance with the OEM. The resulting contract is planned to be a Firm-Fixed Price (FFP) / Indefinite-Delivery Indefinite Quantity (IDIQ) Contract. Correction to estimated Period of Performance.