This is an appeal from judgments of sentence for criminal conspiracy, burglary, and criminal trespass. Appellant argues that the evidence was insufficient; that his trial counsel was ineffective for failing to move to have his case severed from his co-defendant’s case; and that his sentences were excessive. The first two arguments are without merit. On the third argument: We vacate the sentenсe for criminal trespass because the trespass merges with the burglary. We affirm the sentence for burglary. The trial court attempted to modify the sentence for criminal conspiracy, but by the time it made the attempt, it had lost jurisdiction. We therefore modify the sentence ourselves, so that it will be as the trial court intended.
*48 Before we can consider appellant’s arguments, we must resolvе a procedural difficulty.
On July 20, 1981, following a non-jury trial, appellant was found guilty of criminal conspiracy, burglary, and criminal trespass. On December 2, 1981, after denying post-verdict motions, the trial court sentenced appellant to four to ten years in prison for criminal conspiracy, with concurrent sentences of ten years probation for burglary and criminal trespass. Appellant filed a timely motion for reconsideration of the sentence, and, on December 29, 1981, filed an appeal; this is Appeal No. 3331 Phila.1981. The trial court did not hear the motion for reconsideration until March 31, 1982, when it modified the sentence for criminal conspiracy from four to ten years in prison to three to ten years; it reimposed the concurrent sentences of ten years probation for burglary and criminal trespass.
In response to the modified sentence, counsel for appellant took two actions. First, on April 5, 1982, counsel withdrew the appeal from the original sentence. Second, on April 27, 1982, counsel filed an appeal from the modified sentence; this is Appeal No. 1288 Philadelphia 1982.
The general rule regarding a trial court’s power to modify a sentence is that
except as otherwise provided or prescribed by law, a court upon notice to the parties may modify or rescind any order within 30 days after its entry, notwithstanding the prior termination of any term of court, if no appeal from such order has been taken or allowed.
42 Pa.C.S. § 5505 (1981).
If an appeal has been taken, then the general rule is that the trial court has no jurisdiction to modify its sentencе. Pa.R.App.P. 1701(a). However, Pa.R.App.P. 1701(b)(3) contains an exception to this general rule: even after a defendant takes an appeal, the court may reconsider its sentence provided two conditions are satisfied. First, the defendant must file a motion for reconsideration of sentence “within the time provided or prescribed by law.” *49 Pa.R.App.P. 1701(b)(3)(i). The time “prescribed by law” for filing of а motion to modify a sentence is “within ten days of sentence.” Pa.R.Crim.P. 1410. Second, the trial court must issue “an order expressly granting reconsideration” of its sentence “within the time prescribed by these rules for the filing of a notice of appeal.” Pa.R.App.P. 1701(b)(3)(ii). The time “for the filing of a notice of appeal” is within 30 days of sentence. Pa.R.App.P. 903.
It is important to note that the trial court must “expressly grаnt reconsideration” within 30 days of sentence; an order that “all proceedings shall stay” will not suffice. Comment, Pa.R.App.P. 1701. In addition, while Pa.R. App.P. 1701(b)(3) requires only that the trial court issue an order “expressly granting” reconsideration, the trial court does have the power to vacate a sentence within 30 days. Thus, the soundest procedure for the trial court to follow, and the procedure thаt will avoid the sort of difficulty that has occurred in this case, is to vacate the sentence when granting reconsideration.
See, Commonwealth v. Thomas,
Here, the first condition of Pa.R.App.P. 1701(b)(3) was satisfied, but the second was not: appellant filed a motion for reconsideration of the sentence within ten days of the sentence, but the trial court failed to issue an order expressly granting reconsideration of the sentеnce, instead only scheduling a hearing on the motion for reconsideration, and making no attempt to modify the sentence for more than three months.
We have consistently held that the trial court lacks jurisdiction to modify a sentence once the 30 day period for filing an appeal has passed.
Commonwealth v. Lynch,
We noted in
Lynch
that the defendant was in no way prejudiced by our dismissal of his appeal from the “New Sentence,” because his appeal from the original sentence remainеd operative.
Id.,
304 Pa.Superior Ct. at 248 n. 1,
Furthermore, to act as we did in
Lynch
would be a waste of judicial resources. Counsel had no reasonable basis for withdrawing the appeal from the original sentence.
See, Commonwealth ex rel. Washington v. Maroney,
We shall therefore take the following procedural steps. First, we vacate the trial court’s invalid sentence of March 31, 1982, and dismiss appellant’s appeal from that sentence (Appeal No. 1288 Philadelphia 1982). The effect of this action is to reinstate the original sentence of December 2, 1981. Second, we reinstate appellant’s appeal from the *51 December 2, 1981, sentence (Appeal No. 3331 Philadelphia 1981). We can now consider appellant’s several arguments challenging that sentence.
-1-
Appellant was tried with a co-defendant, Charles McDowell. The Commonwealth’s only witness was A1 Zikowitz, a security guard for the Philadelphia School Board. Mr. Zikowitz testified as follows. On November 11, 1980, a school holiday, at approximately 6:15 p.m., he wаs notified of a possible break-in at the Rhodes Middle School. N.T. 17. He entered the school and discovered appellant and the co-defendant inside Instrument Room No. 4, on the second floor of the school. Appellant was removing musical instruments from a closet and piling them on the floor, and the co-defendant was standing on the other side of the room, also piling instruments on the floor. N.T. 19-20. Mr. Zikowitz apprehended appellant and the co-defendant and handed them over to the police outside of the school. He then re-examined the premises. Certain plywood boards, which had been used to board up a previously broken window, had been removed from that window. N.T. 41. A metal gate in front of the broken window had been pulled away from the ground, leaving enough room fоr a man to crawl under. N.T. 25. A door that connected an alcove near the window to a main hallway had been opened; the opening of this door had triggered a silent alarm. N.T. 25, 26. The lock on the door to the instrument room had been broken, and several locks on closet doors inside the room had been broken off of the doors. N.T. 51-52.
The only witness for the defense was the co-defendаnt. He testified that he and appellant had been walking through the schoolyard when Mr. Zikowitz came out of the school and apprehended them. N.T. 60-63. After the co-defendant’s testimony, counsel for appellant and the district attorney stipulated that appellant’s testimony would be cumulative, and appellant did not testify.
*52 Appellant argues that this evidence was insufficient to support a verdict of guilty on any of the charges. This argument is without merit.
In testing the sufficiency of the evidence, we accept as true all evidence upon which the finder of fact could properly base the verdict, giving the Commonwealth the benefit of all reasonable inferences from the evidence,
Commonwealth v. Madison,
Appellant argues that the Commonwealth failed to prove beyond a reasonable doubt that he and the co-defendant had entered into a “common agreement or understanding,” the existence of which is an essential element of the crime of conspiracy. 18 Pa.C.S. § 903 (1983);
Commonwealth v. Roux,
Appellant also argues that the Commonwealth failed to prove an overt act, which is a necessary element of the crime of criminal conspiracy. See, 18 Pa.C.S. § 903(e) (1983). The Commonwealth proved several overt acts: the removal of the plywood boards; the bending back of the gate in front of the window; and the breaking of the lock on the instrument room door.
Appellant also argues that the evidence was insufficient to prove burglary. A person is guilty of burglary if “... he enters a building or occupied structure, or separately secured or occupied portion thereof, with intent to commit a crime therein, unless the premises are at the time open to the public or the actor is licensеd or privileged to enter.” 18 Pa.C.S. § 3502 (1983). Appellant claims that there was no proof of entry because according to the Commonwealth’s evidence the plywood could have been removed either several hours before or forty minutes after the security guard arrived at the school. However, proof of entry does not require proof of a breaking-in; it is sufficient to prove that any part of the body of the intruder entered the premises.
Commonwealth v. Rhodes,
*54
Appellant also argues that since he did not take the stand, there was no proof that he entered the school with the intent to commit a crime. Intent, however, may be proved by circumstantial evidence.
Commonwealth v. Franklin,
Appellant alsó argues that the Commonwealth failed to prove that he and the co-defеndant were not privileged to enter the school because Mr. Zikowitz was not qualified to testify as to permission. In similar circumstances, we have held to the contrary.
Commonwealth v. Tate,
Finally, appellant argues that the evidence was insufficient to prove criminal trespass, 18 Pa.C.S. § 3503 (1983), because it did not show that he knew that he lacked a license or privilege to enter the building.
Common
*55
wealth v. Carter,
Appellant next argues that his trial counsel was ineffective for fаiling to move to have his case severed from his co-defendant’s case. In considering this argument, we must determine whether the “particular course chosen by counsel had some reasonable basis designed to effectuate his client’s interests.”
Commonwealth v. Ford,
The decision to sever or not is within the sound discretion of the trial judge, and will not be disturbed absent a manifest abuse of discretion.
Commonwealth v. Tolassi,
Here, appellant and the co-defendant were charged with identical offenses. One of the offenses was criminal conspiracy. The charges arose from a single incident, and were based on the statement of a single witness, who allegedly caught appellant and the co-defendant red-handed. And the defense offered by appellant and the co-defendant was the same: they claimed that their version of the incident, not that of the security guard, was the correct one. Given these facts, appellant’s trial counsel properly refrained from making a motion to sever; it had no arguable merit, and would have been denied by the trial judge.
Nevertheless, appellant argues that he was prejudiced by a joint trial in that, he says, at a separate trial he couíd have called co-defendant as a corroborative witness. However, appellant does not claim that he would have testified differently at a separate trial. Furthermore, the co-defеndant did in fact testify at the joint trial. We see no reason to suppose that the co-defendant’s testimony would have been more persuasive at a separate trial.
-3-
Finally, appellant argues that his sentence was excessive; appellant claims that the trial court should have given more consideration to the “back time” that he probably will have to serve because he was convicted of new offenses while on parole. See, 61 P.S. § 331.21a(a) (1964).
*57
As a general rule, the imposition of a sentence is within the sound discretion of the sentencing court.
Commonwealth v. Giffin,
Nevertheless, we recоgnize that on appellant’s motion for reconsideration the trial court attempted to modify its sentence on the criminal conspiracy conviction from four to ten years in prison to three to ten years, and that the court failed in its attempt only because it did not act in the procedurally required manner. In these circumstances, out of deference to the trial court’s rеconsidered judgment of what the proper sentence was, we shall ourselves modify the sentence so that it will be as the court intended.
We also note that it was improper for the trial court to impose separate sentences on the burglary and criminal trespass convictions. Those convictions merged for the
*58
purposes of sentencing because in practical еffect appellant committed but one criminal act: the unlawful entry.
Commonwealth v. Smith,
On Appeal No. 1288 Philadelphia 1982: the judgment of sentence of March 31, 1982, is vacatеd and the appeal is dismissed. On Appeal No. 3331 Philadelphia 1981: the appeal is reinstated; the judgment of sentence of December 2, 1981, for criminal conspiracy is modified from a sentence of four to ten years in prison to a sentence of three to ten years in prison; the judgment of sentence of December 2, 1981, of ten years probation for burglary is affirmed; and the judgment of sentence of December 2, 1981, of ten years probation for criminal trespass is vacated.
