pf_00500 - Laserfiche WebLink

Home

� � � � 24055.8 �� '. � � �_ 1 i� � 24055.9 ing or tamping this material shall be allowed. However, in t.ie event that the "Special Provisions" dfl not specifically provide otherwise, additional costpensa- tion shall be alloco�d ror the hauling in of other suitable material. This co�pen- sation shall be only for th� hauling in of the material to the top of the trench. and shall not include any extra cempensation for placing and tamping of the materia�l-' in the trench. Hauling of the mat�rial shall be paid for as specified under u�i- classified work or �s directed in the "Special Provisions". Solid R�ck Excavation Defined; So]_id rock exeavation shall include such rocks as are not decomposed, weathered or shattered and which will require bl�sting, barring, < wedging or use of air tools for removal, Under this classification sha17L be included`;; the removal of any concrete or masonry structure (except concrete pavement, curb,_r gistter �nd sidewalk) exceeding one-quarter (1/4) cubic yard in volume that may be encountered in the work. The removal of individual boulders shall be defined as solid rock excavat;.on where the size of boulders exceeds the mi.nimum size stated in the "Special Provisions" or Specific Requirements"o ;; Loose Rock Excavation Defined: Loose rock shall include all stratified rock, slide rock, sandstone, cemented gravel, shale and boulders not otherwise defined as solid rock, regardless of how remov�ed. 24055.1Q Blasting Procedure: Blasting for excavation will I1�� proceed �antil the Contractar has notified the Engineer of the necessi�.y so to do, such noti:Eication not being necessary whexe only occasional boulders are involved. This notification shall in no mattPr relieve the Contractor of the hazards and liability contingent on blast- ing operations, The hours of blasting will be fixed by the Engineer. Any d�mage caused by blasting shall be repaired by the Contractor at his expense. The Con- tractor's method of procedure relative to blasting shall conform to local and state laws and municipal ordinances, - 24055.11 Bell Holes Required: Bell holes of ample dimensions shall be dug in trenches at each joint to permit the jointing to be made properly, 24055.1.2 Braced and Sheeted Trenches: Sheeting, bracing, etc. shall be put in place and maintained as may be required to support the side of the excavation and to prevent any movement which may in any way endanger personnel or injure or delay the work or enda�ger adjacent buildings, or other structures. Where sheeting and bracing are used, the trench width shall be increased accordingly. Trench sheeting shall remain in place until pipe has been laid, tested for defects and repaired if necessary, and the earth around it compacted to a depth of one foot aver the top of the pipe. It shall be the Contractor's responsibility and duty to be familiar with local and state municipal ordinances relating to this type of work and he shall assume the responsibility for compliance therewith. 24055.13 Manner of Piling Excavated Material: All excavated material shall be piled in a' manner �hat will not endanger the work and that will avoid obstructing sidewalks and driveways. Gutters shall be kept clear or other satisfactory provisions made for street drainage, � 24055,14 rlaintenance of Traffic: lJhen traffic cannot be diverted, it will be permitted to use the highway at all times. The Contractor sha11 at his own expense erect and maintain warning signs and a warning barricade at each end of the construction � operations. The Contractor shall at his own expense, place and maintain noL- tess than two open-flame torcties at each end of these barricades. � At all dangerous se�_tic�zs, by-passes, and intercepti_ng roads, the Contractor shall at his own expense furnish, erect and maintain such warning barricades as are neces- sary and �required by r.he Lngineer, and he shall place and maintain not less than two open-flame torches at each. It shall be the Contractor's responsibility to 24000 - 6