Laserfiche WebLink
SEAL COATING TECHNICAL SPECIFICATIONS <br />1. General <br />This project shall consist of the seal coating of the streets identified on the attached project <br />location map. The work shall be done in accordance with Minnesota Department of <br />Transportation Standard Specifications for Construction, 2016 Edition, except as noted within <br />these technical specifications. <br />Crack sealing shall be performed on all streets identified for seal coating prior to apply in2 the <br />seal coat material. <br />2. Parking Restrictions/Public Notifications <br />The Contractor will be responsible for posting "No Parking" signs at least 24 hours in advance <br />of commencing the work. The Contractor shall also be responsible for the removal of the "No <br />Parking" signs within 5 days of completing the seal coating for each project area. The City <br />will arrange for the moving of any parked cars which would interfere with the seal coating <br />work. However, the Contractor shall include in his bid the cost of returning to three locations <br />for resealing due to parked cars. The City shall also be responsible for completing all necessary <br />repairs or conditioning work prior to the seal coating work. <br />The Contractor will be responsible for distributing written notification to the property owners <br />within the project area at least 24 hours in advance of performing seal coating operations. A <br />draft of the correspondence (letter, door hanger, etc.) must be submitted to the City at least 24 <br />hours prior to distribution to the property owners for review and approval of the content and <br />form. <br />3. Materials <br />(a) CRS-2P bituminous material shall be used, as specified in MNDOT 3151.E on cul- <br />de-sacs. <br />(b) CRS-2 bituminous material shall be used, as specified in MNDOT 3151.D, on all <br />other roadways not specifically identified in paragraph (a) above. <br />(c) FA-2 trap rock seal coat aggregate shall be used on all roadways and shall be in <br />conformance with MnDOT 3137.2B. Aggregates shall be uniform in quality and free from <br />wood, bark, roots and other deleterious materials. Gradation and quality requirements are <br />specified below. All percentages are by weight. <br />Sieve Size % Passing QC range <br />12.5 mm 1 1/2 inch 100 <br />9.5 mm 3/8 inch 100 ±5% <br />6.3 mm 1/4 inch 100 ±7% <br />4.75 mm #4 0-100 ±7% <br />2.36 mm #8 0-40 ±4% <br />1.18 mm #16 0-10 ±4% <br />300 um # 50 0-5 ±4% <br />75 um # 200 0.0-1.0 <br />Other Tests <br />Max 5% Shale as per <br />MNDOT 1209 <br />Max. 25%, Flakiness Index <br />FHL T 508 (Aggregate <br />SCTS 1 <br />