22 O and M Manual NJA23013900 August 2025

MAINTENANCE LOG FOR STORMWATER MANAGEMENT FACILITIES NAME OF FACILITY LOCATION CREW EQUIPMENT WEATHER DATE WORK STARTED WORK COMPLETED TOTAL MANPOWER OF WORK A. PREVENTATIVE MAINTENANCE WORK ITEMS 1. GRASS CUTTING A. BOTTOMS B. EMBANKMENTS AND SIDE SLOPES C. PERIMETER AREAS D. ACCESS AREAS AND ROADS E. OTHERS 2. GRASS MAINTENANCE A. FERTILIZING B. RE-SEEDING C. DE-THATCHING D. PEST CONTROL E. OTHERS 3. VEGETATIVE COVER A. FERTILIZING B. PRUNING C. PEST CONTROL D. OTHERS 4. TRASH AND DEBRIS REMOVAL A. BOTTOMS B. EMBANKMENTS AND SIDE SLOPES C. PERIMETER AREAS D. ACCESS AREAS AND ROADS E. INLETS F. OUTLETS AND TRASH RACKS G. OTHERS 5. SEDIMENT REMOVAL A. INLETS B. OUTLETS AND TRASH RACKS C. BOTTOM D. OTHERS 6. ELIMINATION OF POTENTIAL MOSQUITO BREEDING HABITATS 7. UNDERGROUND BASIN MAINTENANCE A. BOTTOMS B. OUTLETS AND TRASH RACKS C. ACCESS HATCHES D. OTHERS 8. OTHER PREVENTIVE MAINTENANCE A. PARKING LOT SWEEPING B. EMPTYING TRASH RECEPTACLES ITEMS DATE REQUIRED REQUIRED ITEMS DONE DATE DONE COMMENTS AND SPECIAL INSTRUCTIONS

MAINTENANCE LOG FOR STORMWATER MANAGEMENT FACILITIES NAME OF FACILITY LOCATION CREW EQUIPMENT WEATHER DATE WORK STARTED WORK COMPLETED TOTAL MANPOWER OF WORK B. CORRECTIVE MAINTENANCE WORK ITEMS ITEMS DATE REQUIRED REQUIRED ITEMS DONE DATE DONE COMMENTS AND SPECIAL INSTRUCTIONS DATE DONE COMMENTS AND SPECIAL INSTRUCTIONS 1. REMOVAL OF DEBRIS AND SEDIMENT 2. STRUCTURAL REPAIRS 3. EMBANKMENTS AND SIDE SLOPES 4. DEWATERING 5. BASIN MAINTENANCE 6. CONTROL OF MOSQUITOES 7. EROSION REPAIR 8. FENCE REPAIR 9. SNOW AND ICE REMOVAL 10. SAND LAYER REPLACEMENT 11. OTHER C. AESTHETIC MAINTENANCE WORK ITEMS ITEMS DATE REQUIRED REQUIRED 1. GRAFFITI REMOVAL 2. GRASS TRIMMING 3. WEEDING 4. OTHERS REMARKS (REFER TO ITEM NO. IF APPLICABLE) WORK PERFORMED BY: ITEMS DONE

INSPECTION LOG FOR STORMWATER MANAGEMENT FACILITIES

INSPECTION LOG FOR STORMWATER MANAGEMENT FACILITIES NAME OF FACILITY LOCATION DATE WEATHER A. PREVENTIVE MAINTENANCE FACILITY ITEM 1. GRASS CUTTING A. BOTTOMS B. EMBANKMENTS AND SIDE SLOPES C. PERIMETER AREAS D. ACCESS AREAS AND ROADS E. OTHERS 2. GRASS MAINTENANCE A. FERTILIZING B. RE-SEEDING C. DE-THATCHING D. PEST CONTROL E. OTHERS 3. VEGETATIVE COVER A. FERTILIZING B. PRUNING C. PEST CONTROL D. OTHERS 4. TRASH AND DEBRIS REMOVAL A. BOTTOMS B. EMBANKMENTS AND SIDE SLOPES C. PERIMETER AREAS D. ACCESS AREAS AND ROADS E. INLETS F. OUTLETS AND TRASH RACKS G. OTHERS 5. SEDIMENT REMOVAL A. INLETS B. OUTLETS AND TRASH RACKS C. BOTTOM D. VORTECHNIC UNITS E. OTHERS 6. ELIMINATION OF POTENTIAL MOSQUITO 7. OTHER PREVENTIVE MAINTENANCE A. PARKING LOT SWEEPING B. EMPTYING TRASH RECEPTACLES ITEMS REQUIRED ITEMS DONE COMMENTS AND SPECIAL INSTRUCTION

INSPECTION LOG FOR STORMWATER MANAGEMENT FACILITIES NAME OF FACILITY LOCATION DATE WEATHER B. CORRECTIVE MAINTENANCE ITEMS REQUIRED FACILITY ITEM ITEMS DONE COMMENTS AND SPECIAL INSTRUCTION 1. REMOVAL OF DEBRIS AND SEDIMENT 2. STRUCTURAL REPAIRS 3. EMBANKMENTS AND SIDE SLOPES 4. BASIN MAINTENANCE 5. CONTROL OF MOSQUITOES 6. EROSION REPAIR 7. FENCE REPAIR 8. SNOW AND ICE REMOVAL 9. BASIN DRAIN TIME 10. OTHER C. AESTHETIC MAINTENANCE FACILITY ITEM ITEMS REQUIRED ITEMS DONE COMMENTS AND SPECIAL INSTRUCTION 1. GRASS TRIMMING 2. WEEDING 3. OTHERS REMARKS (REFER TO ITEM NO. IF APPLICABLE) (1) ITEMS CHECKED ARE IN GOOD CONDITION, AND THE MAINTENANCE PROGRAM IS ADEQUATE. (2) ITEMS CHECKED REQUIRE ATTENTION, BUT DOES NOT PRESENT AN IMMEDIATE THREAT TO THE FACILITY FUNCTION OR OTHER FACILITY COMPONENTS. (3) THE ITEMS CHECKED REQUIRES IMMEDIATE ATTENTION TO KEEP THE FACILITY OPERATIONAL OR TO PREVENT DAMAGE TO OTHER FACILITY COMPONENTS. (4) PROVIDE EXPLANATION AND DETAILS IF COLUMNS 2 OR 3 ARE CHECKED. REMARKS (REFER TO ITEM NO. IF APPLICABLE) INSPECTOR:

PROBABLE ANNUAL COSTS FOR INSPECTION AND PREVENTIVE & CORRECTIVE MAINTENANCE FOR STORMWATER MANAGEMENT FACILITIES

PROBABLE ANNUAL COSTS FOR INSPECTION AND, PREVENTIVE & CORRECTIVE MAINTENANCE OPERATION AND MAINTENANCE OF STORMWATER MANAGEMENT STRUCTURES Location: Lot 5 in Block 157 in the Township of West Orange, Essex County, New Jersey QUANTITY INSPECTION Monthly inspection for excessive grass growth Quarterly Inspection for clogging, damage,sedimentation Inspection for clogging, ponding, sedimetation after storm event exceeding 1" Annual inspection for erosion,scour & damage Annual time-to-drain tests, condition of outlet valves PREVENTIVE AND CORRECTIVE MAINTENANCE Mow/Trim grass Unblock and vacuum stormwater inlets Clean, unblock, and remove sediments from Manhole Clean, unblock, and flush stormwater pipes UNIT UNIT COST 12 Visit 4 Visit 5 Visit 1 Visit 1 Visit Annual Inspection costs 0.7 1 1 1,037 Acres No Lumpsum FT TOTAL COST $250.00 $250.00 $250.00 $250.00 $250.00 $3,000.00 $1,000.00 $1,250.00 $250.00 $250.00 $5,750.00 $50.00 $20.00 $1,500.00 $0.75 $35.00 $20.00 $1,500.00 $777.75 Note: Maintenance shall be carried out when and to the extent of the situation as it arises. G:\2023\NJA230139.00\Admin\Reports\O&M Manual\O&M Documents\O&M OPC (1).xlsx