The work consists essentially of the following estimated quantities: APPROXIMATE QUANTITIES ITEM NO. DESCRIPTION QUANTITY UNIT 1 EARTHWORK (SUBGRADE PREP) 15,061 CY 2 CONSTRUCT 7" CONCRETE PAVEMENT (TYPE L65AE) W/ INT. CURB 45,183 SY 3 CONSTRUCT 9" CONCRETE PAVEMENT (TYPE L65AE) W/ INT. CURB 731 SY 4 CONSTRUCT 6" MEDIAN SURFACING 82 SY 5 CONSTRUCT CONCRETE HEADER 113 LF 6 CONSTRUCT END OF ROAD MARKERS 12 EA 7 CONSTRUCT STREET SIGN POST 18 EA 8 CONSTRUCT STREET NAME SIGNS 36 EA 9 CONSTRUCT TEMPORARY TURN AROUND 47 SY 10 CONSTRUCT MEDIAN NOSE 2 EA 11 ADJUST UTILITY MANHOLE TO GRADE 62 EA 12 INSTALL RIPRAP TYPE 'A' 35 TN 13 INSTALL EPOXY COATED TIE BAR 33 EA 14 INSTALL PERMANENT PREFORMED TAPE SYMBOL - TYPE RIGHT TURN ARROW, WHITE 1 EA 15 INSTALL PERMANENT PREFORMED TAPE SYMBOL - TYPE LEFT TURN ARROW, WHITE 1 EA 16 INSTALL PERMANENT PREFORMED TAPE SYMBOL - TYPE THROUGH RIGHT ARROW, WHITE 1 EA 17 INSTALL PERMANENT PAINT MARKING (5" GROOVED) 215 LF 18 REMOVE CURB AND GUTTER SECTION, FULL DEPTH SAW CUT 90 LF 19 SAW CUT AND REMOVE PAVEMENT` 90 SY 20 REMOVE TEMPORARY TURNAROUND 141 SY 21 REMOVE RIPRAP 21 TN 22 REMOVE END OF ROAD MARKERS 9 EA 23 REMOVE CONCRETE HEADER 81 LF 24 JET EXISTING SANITARY SEWER 13,896 LF 25 CONSTRUCT 15" RCP, CLASS III 11 LF 26 CONSTRUCT 18" RCP, CLASS III 2,692 LF 27 CONSTRUCT 24" RCP, CLASS III 2,057 LF 28 CONSTRUCT 30" RCP, CLASS III 1,730 LF 29 CONSTRUCT 36" RCP, CLASS III (D0.01 1,350) 95 LF 30 CONSTRUCT 42" RCP, CLASS III (D0.01 1,350) 720 LF 31 CONSTRUCT 48" RCP, CLASS III (D0.01 1,350) 825 LF 32 CONSTRUCT 54" RCP, CLASS III (D0.01 1,350) 634 LF 33 CONSTRUCT 60" RCP, CLASS III (D0.01 1,350) 586 LF 34 CONSTRUCT 54" I.D. STORM MANHOLE (12) 88 VF 35 CONSTRUCT 60" I.D. STORM MANHOLE (2) 13 VF 36 CONSTRUCT 72" I.D. STORM MANHOLE (8) 60 VF 37 CONSTRUCT 84" I.D. STORM MANHOLE (3) 23 VF 38 CONSTRUCT 96" I.D. STORM MANHOLE (3) 25 VF 39 CONSTRUCT 120" I.D. STORM MANHOLE (4) 36 VF 40 CONSTRUCT 18" RC FLARED END SECTION 1 EA 41 CONSTRUCT 30" RC FLARED END SECTION 3 EA 42 CONSTRUCT 54" RC FLARED END SECTION 1 EA 43 CONSTRUCT 60" RC FLARED END SECTION 1 EA 44 CONSTRUCT CURB INLET - TYPE I 30 EA 45 CONSTRUCT CURB INLET - TYPE II 1 EA 46 CONSTRUCT CURB INLET - TYPE III 12 EA 47 CONSTRUCT CURB INLET - TYPE I WITH ADDITIONAL REINFORCING 1 EA 48 CONSTRUCT CURB INLET - TYPE III WITH ADDITIONAL REINFORCING 5 EA 49 CONSTRCUT MODIFIED CURB INLET OVER MANHOLE 1 EA 50 CONSTRUCT 18" PIPE PLUG 2 EA 51 CONSTRUCT 24" PIPE PLUG 2 EA 52 CONSTRUCT 30" PIPE PLUG 1 EA 53 CONSTRUCT 36" CMP 85 LF 54 INSTALL PIPE COUPLERS 30 EA 55 CONSTRUCT MANHOLE RING COLLAR 9 EA 56 CONSTRUCT EXTERNAL FRAME SEAL 5 EA 57 INSTALL FLEXAMAT 228 SF 58 SEDIMENT BASIN MAINTENANCE (BY OTHERS) 1 LS The amount of the engineer's estimate of the cost of said improvements (exclusive of engineering, fiscal, legal, interest, easement acquisition, and miscellaneous costs) is $5,270,000.00. All proposals must be submitted on bid forms furnished by E & A Consulting Group, and must be accompanied by an original bid bond or a certified check in the amount not less than $263,500.00 made payable to the Treasurer of Sanitary and Improvement District 623 as security that the bidder to whom the contract may be awarded will enter into a contract to build the improvements in accordance with this Notice to Contractor and will give a contract and maintenance bond in the amount of 100% of the total contract price, all as provided in the specifications. Bid bonds must be executed by a duly licensed corporate surety. Checks accompanying proposals not accepted shall be returned to the bidders. No bidder may withdraw his proposal for a period of sixty (60) days after date set for opening of bids. All proposals must be enclosed in an envelope, sealed and addressed to the "Clerk of Sanitary and Improvement District 623" and shall be marked "PROPOSAL FOR STORM SEWER & PAVING - SECTION I " with the bidder's name and address on said envelope. The Bid Security shall be in a separate sealed envelope attached to the Proposal envelope and shall be marked "BID SECURITY" with the project identified thereon. Proposals received after the above time shall be returned unopened to the bidder submitting the proposal. The work herein provided shall be done under written contract with the responsible bidder submitting the lowest acceptable bid in accordance with the requirements of the plans and specifications and as provided by law. Plans, specifications, and contract documents governing the above-referenced proposal as prepared by E & A Consulting Group, Inc, 10909 Mill Valley Rd, Suite 100, Omaha, Nebraska, are hereby made a part of this Notice. Sanitary and Improvement District 623 of Douglas County, Nebraska, reserves the right to reject any or all bids received and to waive informalities and irregularities.