-4. 25, Votwitthstanding the provisions of Section 24. hereof ou and after June ist, 1979, except as heretn provided, no person eliall uae or cperate in the Stty, aay power lawn mower or nowee wardcnin: tool wich mekee or causes to he mate naise of sound the noise or scurd level of which exceeds 77 dBA'a, and chen the noise or suund is ecanating from prenerty in the City the noise or sound shall be reassured at any point on the preperty Line or withis 20 feet of the proverty Line of the preperty from which the said soise or sald sound 34 enauiting. When the noise of svuad {9 emanstine trom a highway in che City the noise ar sounf shall be measured at a distance of not lesy than 20 feer tron the seurce of the aaid nofye or said sound. 2 No person shall, on the davs of Monday to Saturday, inclusive, of each veek, construct or demolich any butidine, structure cr thing or excavste ar f22l anv land in the City except between the teurs of 7:00 o'clock in the reening and 30:60 o'clock in the afternoon. 7. No gefsan shall, on Sunday, construct or demolish sny building, . structure or thing or excavate or ft}) any lard in the City except between the hours of 9:20 atclock in the morning and 19:00 otelock In che afrernvon. . lhwre the measuring of noise or sound levels ta authorized, permitted, at fequéirod be this Av-lav any Inepector ot any Peace M£ficer 16 authorized to ucernabs the anid evanyrements, a, The Inspector of Peace Officer shall measure noise avd aound levels wich a Souad Level Meter equipped with a caltorator and wind serecn and the said Suund Level Metec shall be operated tn the manner set out in Schedule "A" rf this By-low vileh te hereuato anrened aad made a pect hereof, ihe solee or sound Jevels shall be measured on the A-veizhting network and che slow acter Tegponse. WW, fery person wha violates anv provinton of this Ay-law ts guilty of a effence apatnst this Sy-lew and ds liable uson summary conviction therefuc to a fine of peutity nos axceedine Five Hundred ($660.60) Dollars or co inprisuasent for a pertod not cxceeding, thirty (39) daya, or both, . ant in defaulc of pavment of any such Line ot peanlty, such person may be rok excescine Phirty; (30) tavs. cited for all surposes as the “City of Port Saeietdan Note centred Beelis, ata fires t4 2, ct .,